#a5181d Color Information

#a5181d 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 #a5181d. In RGB, it consists of 64.7% Red, 9.4% Green, and 11.4% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 85.5% Magenta, 82.4% Yellow, and 35.3% Black. On the color wheel, its Hue is found at 357.9°, with saturation of 74.6% and lightness of 37.1%. The decimal value for #a5181d is 10819613, and its nearest "web safe" color is #990033. In the RGB color space, the strongest component for #a5181d 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#a5181d Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color165, 24, 29 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color64.7%, 9.4%, 11.4% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.353, 0.906, 0.886 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 0.855, 0.824, 0.353 Copy
  • HSLHue, Saturation, Lightness combination for this color357.9°, 74.6%, 37.1% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color357.9°, 85.5%, 64.7% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color16.066, 8.741, 2.003 Copy
  • RYBRed, Yellow, Blue composition for this color165, 24, 29 Copy
  • DecimalDecimal representation of this color's hex code10819613 Copy
  • CIE-LABCIELAB color space coordinates for this color35.481, 54.551, 35.966 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)35.481, 65.340, 33.397 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color35.481, 102.234, 20.852 Copy
  • Hunter LabHunter-Lab color space coordinates for this color29.566, 45.254, 16.679 Copy
  • xyYCIE xyY color space coordinates for this color0.599, 0.326, 8.741 Copy
  • AndroidValue of this color in Android development4289009693 / 0xffa5181d Copy
  • Web SafeHex code of the nearest "web safe" version of this color#990033 Copy
Last Updated: November 22, 2024

Shades of #a5181d

Shades are created by adding black to or removing lightness from a particular color. For #a5181d, its pure hue is 357.9° on the color wheel and its saturation is 74.6%, and its lightness is 37.1%. 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 #a5181d, which — excluding black and our original color — range from #150304 to #901519.

Tints of #a5181d

Tints are created by adding white or lightness to a particular color. For #a5181d, its pure hue is 357.9° on the color wheel and its saturation is 74.6%, and its lightness is 37.1%. 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 #a5181d, which — excluding white and our original color — range from #b03539 to #f4e2e3.

Tones of #a5181d

Tones are the result of adding gray to a pure hue. In the case of #a5181d, its pure hue is 357.9° on the color wheel and its saturation is 74.6%, 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 #a5181d, which range from #5f5f5f (the grayest / 0% saturation) to #bd0007 (the most colorful / 100% saturation).

Variations of #a5181d

There are several ways to create color variations and premutations of #a5181d! For #a5181d, 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, #a5181d. Click on these colors to learn more about them, too!

Color Coordinates of #a5181d

This color, #a5181d, consists of 64.7% Red, 9.4% Green, and 11.4% Blue, resulting in color coordinates Red = 165, Green = 24, Blue = 29. Likewise, the CMYK color space composition for #a5181d is 0% Cyan, 85.5% Magenta, 82.4% Yellow, and 35.3% Black. These values are shown in the following charts and tables.

R64.7%
C0.0%
G9.4%
M85.5%
B11.4%
Y82.4%
K35.3%
Color Base R (Red) G (Green) B (Blue)
Decimal 165 24 29
Octal 245 30 35
Hexa #a5 #18 #1d
Binary 10100101 00011000 00011101
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 85 82 35
Octal 0 125 122 43
Hexa #00 #55 #52 #23
Binary 00000000 01010101 01010010 00100011

Analogous Colors of #a5181d

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #a5181d — which has hue 357.9° — its analogous colors are located at 27.9° and 357.9° on the color wheel, with the same saturation and lightness as #a5181d.

Triadic Colors of #a5181d

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 #a5181d — which has hue 357.9° — its triadic colors are located at 117.9° and 357.9° on the color wheel, with the same saturation and lightness as #a5181d.

Complementary Color of #a5181d

A complementary color is located opposite a color on the color wheel (180 degrees away). For #a5181d — which has hue 357.9° — its complementary color is located at 177.9° on the color wheel, with the same saturation and lightness as #a5181d.

Split Complementary Colors of #a5181d

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 #a5181d — which has hue 357.9° — its split complementary colors its split complementary colors are located at 147.9° and 357.9° on the color wheel, with the same saturation and lightness as #a5181d.

Tetradic Colors of #a5181d

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 #a5181d — which has hue 357.9° — its tetradic colors are located at 267.9°, 357.9°, 87.9°, and 177.9° on the color wheel, with the same saturation and lightness as #a5181d.

Monochromatic Colors of #a5181d

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #a5181d, we show 9 different monochromatic colors of it, ranging from #4d1214 — (which has very low saturation and very low lightness) — to #f12b32 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #a5181d

We want to make getting started with #a5181d on your website fast and easy! Below are 8 examples of how to integrate #a5181d into a website using HTML+CSS. These examples include showing how #a5181d 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 #a5181d with other HTML elements.

#a5181d Foreground / Text Color

The color of this text is #a5181d.
<span style="color: #a5181d;">The color of this text is #a5181d.</span>

#a5181d Background Color

The background color for this text is #a5181d.
<div style="background-color: #a5181d; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #a5181d.</div>

#a5181d Text Shadow Color

This color for the shadow of this text is #a5181d.
<span style="text-shadow: 3px 3px 3px #a5181d;">This color for the shadow of this text is #a5181d.</span>

#a5181d Border Color

This is a div with border color #a5181d.
<div style="border: #a5181d 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #a5181d.</div>

#a5181d Color Rectangle on a White Background

This is a rectangle of color #a5181d on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #a5181d; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #a5181d on a white background.</div></div>

#a5181d Color Rectangle on a Black Background

This is a rectangle of color #a5181d on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #a5181d; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #a5181d on a black background.</div></div>

Gradient from #a5181d to White

This is a gradient from #a5181d to white.
<div style="background: -webkit-linear-gradient(left,#a5181d,white); /* Firefox */ background: linear-gradient(to right,#a5181d,white); /* Safari */ background: -o-linear-gradient(left,#a5181d,white); /* Opera */ background: -moz-linear-gradient(left,#a5181d,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #a5181d to white.</div>

Gradient from #a5181d to Black

This is a gradient from #a5181d to black.
<div style="background: -webkit-linear-gradient(left,#a5181d,black); /* Firefox */ background: linear-gradient(to right,#a5181d,black); /* Safari */ background: -o-linear-gradient(left,#a5181d,black); /* Opera */ background: -moz-linear-gradient(left,#a5181d,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #a5181d to black.</div>

Coding & Programming with #a5181d

In addition to using #a5181d 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 #a5181d in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #a5181d, or the RGB color coordinates for the same (Red = 165, Green = 24, Blue = 29). If you need details about the color coordinates of #a5181d 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 #a5181d
HTML + CSS (RGB Code) Web rgb(165, 24, 29)
CSS Background Color Web .myclass { background-color: #a5181d; }
CSS Foreground + Text Color Web .myclass { color: #a5181d; }
CSS Border Color Web .myclass { border: 2px solid #a5181d; }
Java (Multi-platform) new Color(165, 24, 29);
Python (Multi-platform) Color("#a5181d")
Swift iOS UIColor(red:165, green:24, blue:29, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:165 green:24 blue:29 alpha:1.0000];
OpenGL (Graphics) glColor3f(165f, 24f, 29f);
C# / .NET Windows Color.FromArgb(165, 24, 29);
 

#a5181d Color Blindness

Not everyone can see #a5181d the same way. For those with color blindness, #a5181d might look very, very different. Here, we simulate eight examples of color blindness, and how #a5181d looks next to each one of them. In all cases, #a5181d 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 #a5181d 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 #a5181d 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

Accessibility Recommended

We analyzed whether #a5181d 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 7.6:1 against white. This is a high enough ratio to be considered accessible under both the AA and AAA level standards for either normal size or large text.

WCAG AA
Normal Size Text

WCAG AA
Large Size Text

WCAG AAA
Normal Size Text

WCAG AAA
Large Size Text