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#811831 Color

#811831 is rgb(129, 24, 49) in RGB, hsl(346, 69%, 30%) in HSL, and about cmyk(0%, 81%, 62%, 49%) in CMYK. It has no registered color name of its own — the closest is Claret (#7F1734), very hard to tell apart at ΔE 2.78. White text is the more readable choice on this background.

#811831
HEX#811831
RGBrgb(129, 24, 49)
HSLhsl(346, 69%, 30%)
HSVhsv(346, 81%, 51%)
CMYKcmyk(0%, 81%, 62%, 49%)
OKLCHoklch(39.9% 0.139 13.3)
LABlab(28.71% 45.02 14.01)
LCHlch(28.71% 47.15 17.29)

What #811831 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #811831, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Browse the full index of named colors A-Z or every red in the library.

#811831 Channel Values

How #811831 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 129 · G 24 · B 498-bit channels as sent to the display
HSLH 346° · S 69% · L 30%Easiest model for building lighter and darker variants
HSVH 346° · S 81% · V 51%Matches the picker in most design tools
CMYKC 0% · M 81% · Y 62% · K 49%Approximate ink mix; confirm with an ICC profile before printing
Luminance9.96:1 vs white · 2.11:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #811831 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text9.96:1AA normal AA large AAA normal
Fails AABlack text2.11:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #811831 in the contrast checker.

Colors That Go With #811831

Pairings derived from color-wheel relationships. The complementary color sits opposite #811831; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #811831

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #811831.

How #811831 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#811831
Protanopia#3C3C30
Protanomaly#5F3131
Deuteranopia#4F4F2C
Deuteranomaly#67402E
Tritanopia#801C1C
Tritanomaly#811B26
Achromatopsia#434343

Test a full palette in the color blindness simulator.

Using #811831 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-811831: #811831;
CSS backgroundbackground-color: #811831;
Tailwind configcolors: { 'color-811831': '#811831' }
SwiftUIColor(red: 0.506, green: 0.094, blue: 0.192)
Android XML<color name="color_811831">#811831</color>
SVG fillfill="#811831"

More Red Colors

#811831 sits in the red family. These are its neighbours across that family's full range, each with its own breakdown.

#811831 Frequently Asked Questions

What color is #811831?

#811831 is a dark red — rgb(129, 24, 49) in RGB and hsl(346, 69%, 30%) in HSL. It carries no registered color name of its own; the closest named color is Claret (#7F1734), which is very hard to tell apart at a CIE76 distance of 2.78.

What is the RGB value of #811831?

#811831 is rgb(129, 24, 49) — red 129, green 24, and blue 49 on the 0-255 scale.

What is the CMYK value of #811831?

#811831 converts to approximately cmyk(0%, 81%, 62%, 49%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #811831 be black or white?

White text is the more readable choice. #811831 scores 9.96:1 against white and 2.11:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #811831 as a CSS color keyword?

No. #811831 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is brown (#A52A2A) at a CIE76 distance of 20.87, which is visibly different.

Open #811831 in a Tool

Keep exploring: every red in the color library, the guide to shades of red, or the full color library.