#b51f2f Color Information

#b51f2f 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 #b51f2f. In RGB, it consists of 71.0% Red, 12.2% Green, and 18.4% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 82.9% Magenta, 74% Yellow, and 29% Black. On the color wheel, its Hue is found at 353.6°, with saturation of 70.8% and lightness of 41.6%. The decimal value for #b51f2f is 11869999, and its nearest "web safe" color is #cc3333. In the RGB color space, the strongest component for #b51f2f 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#b51f2f Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color181, 31, 47 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color71.0%, 12.2%, 18.4% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.290, 0.878, 0.816 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 0.829, 0.74, 0.29 Copy
  • HSLHue, Saturation, Lightness combination for this color353.6°, 70.8%, 41.6% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color353.6°, 82.9%, 71.0% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color20.059, 11.009, 3.757 Copy
  • RYBRed, Yellow, Blue composition for this color181, 31, 47 Copy
  • DecimalDecimal representation of this color's hex code11869999 Copy
  • CIE-LABCIELAB color space coordinates for this color39.596, 58.051, 30.743 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)39.596, 65.690, 27.905 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color39.596, 108.385, 18.522 Copy
  • Hunter LabHunter-Lab color space coordinates for this color33.180, 49.849, 16.512 Copy
  • xyYCIE xyY color space coordinates for this color0.576, 0.316, 11.009 Copy
  • AndroidValue of this color in Android development4290060079 / 0xffb51f2f Copy
  • Web SafeHex code of the nearest "web safe" version of this color#cc3333 Copy
Last Updated: November 20, 2024

Shades of #b51f2f

Shades are created by adding black to or removing lightness from a particular color. For #b51f2f, its pure hue is 353.6° on the color wheel and its saturation is 70.8%, and its lightness is 41.6%. 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 #b51f2f, which — excluding black and our original color — range from #170406 to #9e1b29.

Tints of #b51f2f

Tints are created by adding white or lightness to a particular color. For #b51f2f, its pure hue is 353.6° on the color wheel and its saturation is 70.8%, and its lightness is 41.6%. 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 #b51f2f, which — excluding white and our original color — range from #be3b49 to #f6e3e5.

Tones of #b51f2f

Tones are the result of adding gray to a pure hue. In the case of #b51f2f, its pure hue is 353.6° on the color wheel and its saturation is 70.8%, 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 #b51f2f, which range from #6a6a6a (the grayest / 0% saturation) to #d40017 (the most colorful / 100% saturation).

Variations of #b51f2f

There are several ways to create color variations and premutations of #b51f2f! For #b51f2f, 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, #b51f2f. Click on these colors to learn more about them, too!

Color Coordinates of #b51f2f

This color, #b51f2f, consists of 71.0% Red, 12.2% Green, and 18.4% Blue, resulting in color coordinates Red = 181, Green = 31, Blue = 47. Likewise, the CMYK color space composition for #b51f2f is 0% Cyan, 82.9% Magenta, 74% Yellow, and 29% Black. These values are shown in the following charts and tables.

R71.0%
C0.0%
G12.2%
M82.9%
B18.4%
Y74.0%
K29.0%
Color Base R (Red) G (Green) B (Blue)
Decimal 181 31 47
Octal 265 37 57
Hexa #b5 #1f #2f
Binary 10110101 00011111 00101111
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 82 74 29
Octal 0 122 112 35
Hexa #00 #52 #4a #1d
Binary 00000000 01010010 01001010 00011101

Analogous Colors of #b51f2f

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #b51f2f — which has hue 353.6° — its analogous colors are located at 23.6° and 353.6° on the color wheel, with the same saturation and lightness as #b51f2f.

Triadic Colors of #b51f2f

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 #b51f2f — which has hue 353.6° — its triadic colors are located at 113.6° and 353.6° on the color wheel, with the same saturation and lightness as #b51f2f.

Complementary Color of #b51f2f

A complementary color is located opposite a color on the color wheel (180 degrees away). For #b51f2f — which has hue 353.6° — its complementary color is located at 173.6° on the color wheel, with the same saturation and lightness as #b51f2f.

Split Complementary Colors of #b51f2f

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 #b51f2f — which has hue 353.6° — its split complementary colors its split complementary colors are located at 143.6° and 353.6° on the color wheel, with the same saturation and lightness as #b51f2f.

Tetradic Colors of #b51f2f

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 #b51f2f — which has hue 353.6° — its tetradic colors are located at 263.6°, 353.6°, 83.6°, and 173.6° on the color wheel, with the same saturation and lightness as #b51f2f.

Monochromatic Colors of #b51f2f

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #b51f2f, we show 9 different monochromatic colors of it, ranging from #53171e — (which has very low saturation and very low lightness) — to #f14d5f (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #b51f2f

We want to make getting started with #b51f2f on your website fast and easy! Below are 8 examples of how to integrate #b51f2f into a website using HTML+CSS. These examples include showing how #b51f2f 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 #b51f2f with other HTML elements.

#b51f2f Foreground / Text Color

The color of this text is #b51f2f.
<span style="color: #b51f2f;">The color of this text is #b51f2f.</span>

#b51f2f Background Color

The background color for this text is #b51f2f.
<div style="background-color: #b51f2f; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #b51f2f.</div>

#b51f2f Text Shadow Color

This color for the shadow of this text is #b51f2f.
<span style="text-shadow: 3px 3px 3px #b51f2f;">This color for the shadow of this text is #b51f2f.</span>

#b51f2f Border Color

This is a div with border color #b51f2f.
<div style="border: #b51f2f 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #b51f2f.</div>

#b51f2f Color Rectangle on a White Background

This is a rectangle of color #b51f2f on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #b51f2f; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #b51f2f on a white background.</div></div>

#b51f2f Color Rectangle on a Black Background

This is a rectangle of color #b51f2f on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #b51f2f; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #b51f2f on a black background.</div></div>

Gradient from #b51f2f to White

This is a gradient from #b51f2f to white.
<div style="background: -webkit-linear-gradient(left,#b51f2f,white); /* Firefox */ background: linear-gradient(to right,#b51f2f,white); /* Safari */ background: -o-linear-gradient(left,#b51f2f,white); /* Opera */ background: -moz-linear-gradient(left,#b51f2f,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #b51f2f to white.</div>

Gradient from #b51f2f to Black

This is a gradient from #b51f2f to black.
<div style="background: -webkit-linear-gradient(left,#b51f2f,black); /* Firefox */ background: linear-gradient(to right,#b51f2f,black); /* Safari */ background: -o-linear-gradient(left,#b51f2f,black); /* Opera */ background: -moz-linear-gradient(left,#b51f2f,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #b51f2f to black.</div>

Coding & Programming with #b51f2f

In addition to using #b51f2f 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 #b51f2f in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #b51f2f, or the RGB color coordinates for the same (Red = 181, Green = 31, Blue = 47). If you need details about the color coordinates of #b51f2f 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 #b51f2f
HTML + CSS (RGB Code) Web rgb(181, 31, 47)
CSS Background Color Web .myclass { background-color: #b51f2f; }
CSS Foreground + Text Color Web .myclass { color: #b51f2f; }
CSS Border Color Web .myclass { border: 2px solid #b51f2f; }
Java (Multi-platform) new Color(181, 31, 47);
Python (Multi-platform) Color("#b51f2f")
Swift iOS UIColor(red:181, green:31, blue:47, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:181 green:31 blue:47 alpha:1.0000];
OpenGL (Graphics) glColor3f(181f, 31f, 47f);
C# / .NET Windows Color.FromArgb(181, 31, 47);
 

#b51f2f Color Blindness

Not everyone can see #b51f2f the same way. For those with color blindness, #b51f2f might look very, very different. Here, we simulate eight examples of color blindness, and how #b51f2f looks next to each one of them. In all cases, #b51f2f 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 #b51f2f 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 #b51f2f 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 #b51f2f 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 6.6:1 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 #b51f2f 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