#a91919 Color Information

#a91919 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 #a91919. In RGB, it consists of 66.3% Red, 9.8% Green, and 9.8% Blue. Likewise, in the CMYK color space, it consists of 0% Cyan, 85.2% Magenta, 85.2% Yellow, and 33.7% Black. On the color wheel, its Hue is found at 0.0°, with saturation of 74.2% and lightness of 38%. The decimal value for #a91919 is 11082009, and its nearest "web safe" color is #990000. In the RGB color space, the strongest component for #a91919 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#a91919 Copy
  • NameThe common name of this color(Unnamed) Copy
  • RGBRed, Green, Blue composition for this color169, 25, 25 Copy
  • RGB PercentPercent Red, Green, Blue composition for this color66.3%, 9.8%, 9.8% Copy
  • CMYCyan, Magenta, Yellow composition for this color0.337, 0.902, 0.902 Copy
  • CMYKCyan, Magenta, Yellow, Black composition for this color0, 0.852, 0.852, 0.337 Copy
  • HSLHue, Saturation, Lightness combination for this color0.0°, 74.2%, 38.0% Copy
  • HSV (or HSB)Hue, Saturation, Brightness combination for this color0.0°, 85.2%, 66.3% Copy
  • XYZCIE 1931 color space XYZ coordinates for this color16.885, 9.200, 1.806 Copy
  • RYBRed, Yellow, Blue composition for this color169, 25, 25 Copy
  • DecimalDecimal representation of this color's hex code11082009 Copy
  • CIE-LABCIELAB color space coordinates for this color36.367, 55.356, 39.287 Copy
  • CIE-LCHCIE-LCH color space coordinates for this color (chroma, hue, etc.)36.367, 67.881, 35.364 Copy
  • CIE-LUVCIE-LUV color space coordinates for this color36.367, 105.655, 22.784 Copy
  • Hunter LabHunter-Lab color space coordinates for this color30.332, 46.285, 17.703 Copy
  • xyYCIE xyY color space coordinates for this color0.605, 0.330, 9.200 Copy
  • AndroidValue of this color in Android development4289272089 / 0xffa91919 Copy
  • Web SafeHex code of the nearest "web safe" version of this color#990000 Copy
Last Updated: January 31, 2023

Shades of #a91919

Shades are created by adding black to or removing lightness from a particular color. For #a91919, its pure hue is 0.0° on the color wheel and its saturation is 74.2%, and its lightness is 38.0%. 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 18 different shades of #a91919, which — excluding black and our original color — range from #0a0101 to #9f1818.

Tints of #a91919

Tints are created by adding white or lightness to a particular color. For #a91919, its pure hue is 0.0° on the color wheel and its saturation is 74.2%, and its lightness is 38.0%. As the amount of white (lightness) is added to this hue, the result is increasingly lighter tints. The following palette gives 18 different tints of #a91919, which — excluding white and our original color — range from #ae2727 to #faf1f1.

Tones of #a91919

Tones are the result of adding gray to a pure hue. In the case of #a91919, its pure hue is 0.0° on the color wheel and its saturation is 74.2%, so we increase this saturation to create more colorful tones, and decrease the saturation to create grayer tones. The palette shown below gives 27 different tones of #a91919, which range from #616161 (the grayest / 0% saturation) to #c20000 (the most colorful / 100% saturation).

Variations of #a91919

There are several ways to create color variations and premutations of #a91919! For #a91919, there are 6 variations of the color that can be created by swapping its Red, Green, and Blue color positions, of which 4 are different from our original color. Among these six variations, there are 3 unique colors including our original color, #a91919. Click on these colors to learn more about them, too!

Color Coordinates of #a91919

This color, #a91919, consists of 66.3% Red, 9.8% Green, and 9.8% Blue, resulting in color coordinates Red = 169, Green = 25, Blue = 25. Likewise, the CMYK color space composition for #a91919 is 0% Cyan, 85.2% Magenta, 85.2% Yellow, and 33.7% Black. These values are shown in the following charts and tables.

R66.3%
C0.0%
G9.8%
M85.2%
B9.8%
Y85.2%
K33.7%
Color Base R (Red) G (Green) B (Blue)
Decimal 169 25 25
Octal 251 31 31
Hexa #a9 #19 #19
Binary 10101001 00011001 00011001
Color Base C (Cyan) M (Magenta) Y (Yellow) Y (Black)
Decimal 0 85 85 33
Octal 0 125 125 41
Hexa #00 #55 #55 #21
Binary 00000000 01010101 01010101 00100001

Analogous Colors of #a91919

Analogous colors are located 30 degrees away from a color's hue on the color wheel. For #a91919 — which has hue 0.0° — its analogous colors are located at 0.0° and 330.0° on the color wheel, with the same saturation and lightness as #a91919.

Triadic Colors of #a91919

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 #a91919 — which has hue 0.0° — its triadic colors are located at 0.0° and 240.0° on the color wheel, with the same saturation and lightness as #a91919.

Complementary Color of #a91919

A complementary color is located opposite a color on the color wheel (180 degrees away). For #a91919 — which has hue 0.0° — its complementary color is located at 180.0° on the color wheel, with the same saturation and lightness as #a91919.

Split Complementary Colors of #a91919

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 #a91919 — which has hue 0.0° — its split complementary colors its split complementary colors are located at 0.0° and 210.0° on the color wheel, with the same saturation and lightness as #a91919.

Tetradic Colors of #a91919

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 #a91919 — which has hue 0.0° — its tetradic colors are located at 270.0°, 0.0°, 90.0°, and 180.0° on the color wheel, with the same saturation and lightness as #a91919.

Monochromatic Colors of #a91919

Monochromatic colors are colors that share a common hue but that have different saturations and lightness. For #a91919, we show 9 different monochromatic colors of it, ranging from #4e1313 — (which has very low saturation and very low lightness) — to #f13232 (which has a very high saturation and very high lightness).

HTML+CSS Examples & Previews of #a91919

We want to make getting started with #a91919 on your website fast and easy! Below are 8 examples of how to integrate #a91919 into a website using HTML+CSS. These examples include showing how #a91919 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 #a91919 with other HTML elements.

#a91919 Foreground / Text Color

The color of this text is #a91919.
<span style="color: #a91919;">The color of this text is #a91919.</span>

#a91919 Background Color

The background color for this text is #a91919.
<div style="background-color: #a91919; color:#ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">The background color for this text is #a91919.</div>

#a91919 Text Shadow Color

This color for the shadow of this text is #a91919.
<span style="text-shadow: 3px 3px 3px #a91919;">This color for the shadow of this text is #a91919.</span>

#a91919 Border Color

This is a div with border color #a91919.
<div style="border: #a91919 4px solid;width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a div with border color #a91919.</div>

#a91919 Color Rectangle on a White Background

This is a rectangle of color #a91919 on a white background.
<div style="background-color: #ffffff; padding: 60px; width:100%; height: 100%;"><div style="background-color: #a91919; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #a91919 on a white background.</div></div>

#a91919 Color Rectangle on a Black Background

This is a rectangle of color #a91919 on a black background.
<div style="background-color: #000000; padding: 60px; width:100%; height: 100%;"><div style="background-color: #a91919; color:#ffffff; width:100%; height:100%; padding: 10px; display: flex; justify-content: center; align-items: center;">This is a rectangle of color #a91919 on a black background.</div></div>

Gradient from #a91919 to White

This is a gradient from #a91919 to white.
<div style="background: -webkit-linear-gradient(left,#a91919,white); /* Firefox */ background: linear-gradient(to right,#a91919,white); /* Safari */ background: -o-linear-gradient(left,#a91919,white); /* Opera */ background: -moz-linear-gradient(left,#a91919,white); width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #a91919 to white.</div>

Gradient from #a91919 to Black

This is a gradient from #a91919 to black.
<div style="background: -webkit-linear-gradient(left,#a91919,black); /* Firefox */ background: linear-gradient(to right,#a91919,black); /* Safari */ background: -o-linear-gradient(left,#a91919,black); /* Opera */ background: -moz-linear-gradient(left,#a91919,black); color: #ffffff; width:100%; height:100%; display: flex; justify-content: center; align-items: center;">This is a gradient from #a91919 to black.</div>

Coding & Programming with #a91919

In addition to using #a91919 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 #a91919 in the language and environment of your choice. These code snippets are principally the hexadecimal representation of #a91919, or the RGB color coordinates for the same (Red = 169, Green = 25, Blue = 25). If you need details about the color coordinates of #a91919 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 #a91919
HTML + CSS (RGB Code) Web rgb(169, 25, 25)
CSS Background Color Web .myclass { background-color: #a91919; }
CSS Foreground + Text Color Web .myclass { color: #a91919; }
CSS Border Color Web .myclass { border: 2px solid #a91919; }
Java (Multi-platform) new Color(169, 25, 25);
Python (Multi-platform) Color("#a91919")
Swift iOS UIColor(red:169, green:25, blue:25, alpha:1.0000)
Objective-C (iOS) iOS [UIColor colorWithRed:169 green:25 blue:25 alpha:1.0000];
OpenGL (Graphics) glColor3f(169f, 25f, 25f);
C# / .NET Windows Color.FromArgb(169, 25, 25);
 

#a91919 Color Blindness

Not everyone can see #a91919 the same way. For those with color blindness, #a91919 might look very, very different. Here, we simulate eight examples of color blindness, and how #a91919 looks next to each one of them. In all cases, #a91919 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 #a91919 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 #a91919 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 #a91919 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 7.4:1 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