#b51520 Color Information

#b51520 Color Information
Details | Shades, Tints, and Tones | Variations | Color Coordinates | Color Schemes | HTML+CSS Examples | Coding & Programming | Color Blindness | Accessibility | Related Colors

The hexadecimal value (hex value) of this color is #b51520. In RGB, it consists of 71.0% Red, 8.2% Green, and 12.5% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 88.4% Magenta, 82.3% Yellow, and 29% Black. On the color wheel, its Hue is found at 355.9°, with saturation of 79.2% and lightness of 39.6%. The decimal value for #b51520 is 11867424, and its nearest "web safe" color is #cc0033. In the RGB color space, the strongest component for #b51520 is red. In the CMYK color space, its strongest component is magenta. And in the RYB color space, its strongest component is red.
  • HexHex code for this color#b51520 Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color181, 21, 32 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color71.0%, 8.2%, 12.5% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.290, 0.918, 0.875 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 0.884, 0.823, 0.29 Copy
  • HSLHue, Saturation, Lightness combination for this color355.9°, 79.2%, 39.6% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color355.9°, 88.4%, 71.0% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color19.585, 10.464, 2.354 Copy
  • RYBRed, Yellow, Blue composition for this color181, 21, 32 Copy
  • DecimalDecimal representation of this color's hex code11867424 Copy
  • CIE-LABCIELAB color space coordinates for this color38.663, 59.705, 38.530 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)38.663, 71.059, 32.836 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color38.663, 115.008, 22.411 Copy
  • Hunter LabHunter-Lab color space coordinates for this color32.349, 51.459, 18.329 Copy
  • xyYCIE xyY color space coordinates for this color0.604, 0.323, 10.464 Copy
  • AndroidValue of this color in Android development4290057504 / 0xffb51520 Copy
  • Web SafeHex code of the nearest "web safe" version of this color#cc0033 Copy
Last Updated: December 3, 2024

Shades of #b51520

Shades are created by adding black to or removing lightness from a particular color. For #b51520, its pure hue is 355.9° on the color wheel and its saturation is 79.2%, and its lightness is 39.6%. As the amount of black is added to this hue and we reduce its lightness, the result is increasingly darker shades tints. The palette given below provides 9 different shades of #b51520, which — excluding black and our original color — range from #170304 to #9e121c.

Tints of #b51520

Tints are created by adding white or lightness to a particular color. For #b51520, its pure hue is 355.9° on the color wheel and its saturation is 79.2%, and its lightness is 39.6%. As the amount of white (lightness) is added to this hue, the result is increasingly lighter tints. The following palette gives 9 different tints of #b51520, which — excluding white and our original color — range from #be323c to #f6e2e3.

Tones of #b51520

Tones are the result of adding gray to a pure hue. In the case of #b51520, its pure hue is 355.9° on the color wheel and its saturation is 79.2%, so we increase this saturation to create more colorful tones, and decrease the saturation to create grayer tones. The palette shown below gives 9 different tones of #b51520, which range from #656565 (the grayest / 0% saturation) to #ca000e (the most colorful / 100% saturation).

Variations of #b51520

There are several ways to create color variations and premutations of #b51520! For #b51520, there are 6 variations of the color that can be created by swapping its Red, Green, and Blue color positions, of which 5 are different from our original color. Among these six variations, there are 6 unique colors including our original color, #b51520. Click on these colors to learn more about them, too!

Color Coordinates of #b51520

This color, #b51520, consists of 71.0% Red, 8.2% Green, and 12.5% Blue, resulting in color coordinates Red = 181, Green = 21, Blue = 32. Likewise, the CMYK color space composition for #b51520 is 0% Cyan, 88.4% Magenta, 82.3% Yellow, and 29% Black. These values are shown in the following charts and tables.

R71.0%
C0.0%
G8.2%
M88.4%
B12.5%
Y82.3%
K29.0%
Color Base R (Red) G (Green) B (Blue)
Decimal 181 21 32
Octal 265 25 40
Hexa #b5 #15 #20
Binary 10110101 00010101 00100000
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 88 82 29
Octal 0 130 122 35
Hexa #00 #58 #52 #1d
Binary 00000000 01011000 01010010 00011101

Analogous Colors of #b51520

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #b51520 — which has hue 355.9° — its analogous colors are located at 25.9° and 355.9° on the color wheel, with the same saturation and lightness as #b51520.

Triadic Colors of #b51520

Triadic colors are located 120 degrees away from a color's hue on the color wheel, which means the original color and its triadic colors are equidistant from one another on the color wheel and form a triangle. For #b51520 — which has hue 355.9° — its triadic colors are located at 115.9° and 355.9° on the color wheel, with the same saturation and lightness as #b51520.

Complementary Color of #b51520

A complementary color is located opposite a color on the color wheel (180 degrees away). For #b51520 — which has hue 355.9° — its complementary color is located at 175.9° on the color wheel, with the same saturation and lightness as #b51520.

Split Complementary Colors of #b51520

Split complementary colors are the analogs of a color's complement, which places them 210 degrees away on the color wheel from an original color. For #b51520 — which has hue 355.9° — its split complementary colors its split complementary colors are located at 145.9° and 355.9° on the color wheel, with the same saturation and lightness as #b51520.

Tetradic Colors of #b51520

Tetradic colors are two sets of complementary colors on either side of a color wheel from each other, forming a rectangle on the color wheel. For #b51520 — which has hue 355.9° — its tetradic colors are located at 265.9°, 355.9°, 85.9°, and 175.9° on the color wheel, with the same saturation and lightness as #b51520.

Monochromatic Colors of #b51520

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #b51520, we show 9 different monochromatic colors of it, ranging from #551015 — (which has very low saturation and very low lightness) — to #f43b48 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #b51520

We want to make getting started with #b51520 on your website fast and easy! Below are 8 examples of how to integrate #b51520 into a website using HTML+CSS. These examples include showing how #b51520 can be used to color text, backgrounds, shadows, and borders, as well as how it can be used as a solid fill or gradient fill for rectangles. These examples principally make use of <span> and <div> tags, although the CSS shown in particular can be repurposed to make use of #b51520 with other HTML elements.

#b51520 Foreground / Text Color

The color of this text is #b51520.
<span style="color: #b51520;">The color of this text is #b51520.</span>

#b51520 Background Color

The background color for this text is #b51520.
<div style="background-color: #b51520; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #b51520.</div>

#b51520 Text Shadow Color

This color for the shadow of this text is #b51520.
<span style="text-shadow: 3px 3px 3px #b51520;">This color for the shadow of this text is #b51520.</span>

#b51520 Border Color

This is a div with border color #b51520.
<div style="border: #b51520 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #b51520.</div>

#b51520 Color Rectangle on a White Background

This is a rectangle of color #b51520 on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #b51520; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #b51520 on a white background.</div></div>

#b51520 Color Rectangle on a Black Background

This is a rectangle of color #b51520 on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #b51520; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #b51520 on a black background.</div></div>

Gradient from #b51520 to White

This is a gradient from #b51520 to white.
<div style="background: -webkit-linear-gradient(left,#b51520,white); /* Firefox */ background: linear-gradient(to right,#b51520,white); /* Safari */ background: -o-linear-gradient(left,#b51520,white); /* Opera */ background: -moz-linear-gradient(left,#b51520,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #b51520 to white.</div>

Gradient from #b51520 to Black

This is a gradient from #b51520 to black.
<div style="background: -webkit-linear-gradient(left,#b51520,black); /* Firefox */ background: linear-gradient(to right,#b51520,black); /* Safari */ background: -o-linear-gradient(left,#b51520,black); /* Opera */ background: -moz-linear-gradient(left,#b51520,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #b51520 to black.</div>

Coding & Programming with #b51520

In addition to using #b51520 on the web, we know you might want to use it in your mobile and desktop apps, too. Whatever your needs, the table below shows how to access #b51520 in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #b51520, or the RGB color coordinates for the same (Red = 181, Green = 21, Blue = 32). If you need details about the color coordinates of #b51520 in other color spaces, refer to these details as provided toward the top of this page.

Language Environment Code Snippet
HTML + CSS (Hex Code) Web #b51520
HTML + CSS (RGB Code) Web rgb(181, 21, 32)
CSS Background Color Web .myclass { background-color: #b51520; }
CSS Foreground + Text Color Web .myclass { color: #b51520; }
CSS Border Color Web .myclass { border: 2px solid #b51520; }
Java (Multi-platform) new Color(181, 21, 32);
Python (Multi-platform) Color("#b51520")
Swift iOS UIColor(red:181, green:21, blue:32, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:181 green:21 blue:32 alpha:1.0000];
OpenGL (Graphics) glColor3f(181f, 21f, 32f);
C# / .NET Windows Color.FromArgb(181, 21, 32);
 

#b51520 Color Blindness

Not everyone can see #b51520 the same way. For those with color blindness, #b51520 might look very, very different. Here, we simulate eight examples of color blindness, and how #b51520 looks next to each one of them. In all cases, #b51520 is placed in a circle in the upper-left corner of each of the below boxes, with the color in the rest of those boxes signifying how #b51520 looks for someone with that type of color blindness. Many people will perceive close similarities between the colors in these boxes and the colors in the circles — with some noticing particular similarities. We offer this insight so that as you make choices about colors to use for your purposes, you can make an informed decision about whether #b51520 will be a good fit for everyone in your audience!

Trichromacy

Protanomaly
Affects 1 in 100 Men & 1 in 10,000 Women

Deuteranomaly
Affects 1 in 17 Men & 1 in 250 Women

Tritanomaly
Affects 1 in 10,000

Dichromacy

Protanopia
Affects 1 in 100, Mostly Men

Deuteranopia
Affects 1 in 100, Mostly Men

Tritanopia
Affects 1 in 100,000

Monochromacy

Achromatopsia
Affects 1 in 20,000

Achromatopsia
Affects 1 in 100,000

Accessibility

Not Accessibility Recommended

We analyzed whether #b51520 is an accessible color when used as a text / foreground color against a white background. This analysis is based on the Web Content Accessibility Guidelines (WCAG) 2 Level issued by W3C. Based on this analysis, we calculate a contrast ratio against white of approximately 6.8:1 against white. While there are some situations where this contrast is high enough to be considered accessible under the AA or AAA level standards, it is not high enough to be considered accessible in all cases. Details about the specific circumstances where #b51520 would and would not be an accessible foreground color are summarized below.

WCAG AA
Normal Size Text

WCAG AA
Large Size Text

WCAG AAA
Normal Size Text

WCAG AAA
Large Size Text