#831E10#831E10

#831E10 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.3% C 0.138 H 31.2°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#831E10
RGB	rgb(131, 30, 16)
HSL	hsl(7, 78%, 29%)
HSV	hsv(7, 88%, 51%)
CMYK	cmyk(0%, 77.1%, 87.8%, 48.6%)
CIE-LAB	lab(28.88, 41.94, 34.33)
CIE-LCH	lch(28.88, 54.20, 39.30°)
OKLab	oklab(40.3% 0.1183 0.0717)
OKLCH	oklch(40.3% 0.138 31.2)
XYZ	xyz(9.9191, 5.7928, 1.0860)
Luminance	0.0579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831E10 #107583

analogous

#83103C #831E10 #835810

triadic

#831E10 #10831E #1E1083

tetradic

#831E10 #3C8310 #107583 #581083

square

#831E10 #3C8310 #107583 #581083

split-complementary

#831E10 #108358 #103C83

monochromatic

#1B0603 #4C1209 #831E10 #BA2A17 #E54029

Accessibility & contrast

On white

9.73

#831E10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#831E10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831E10

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831E10	#FFFFFF	#000000	##FFFFFF
##831E10	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D360D

Deuteranopia (green-blind)

#564C0A

Tritanopia (blue-blind)

#91001C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831e10;
/* rgb */ color: rgb(131, 30, 16);
/* oklch */ color: oklch(40.3% 0.138 31.2);

Tailwind

colors: {
  custom: {
    50: '#b06250',
    500: '#831e10',
    950: '#000000',
  },
}

SCSS

$custom: #831e10;
$custom-light: #b06250;
$custom-dark: #000000;

JSON

{
  "hex": "#831e10",
  "rgb": {
    "r": 131,
    "g": 30,
    "b": 16
  },
  "hsl": {
    "h": 7.304,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.40301,
    "c": 0.13834,
    "h": 31.2
  },
  "luminance": 0.05791
}

Semantic roles & 50–950 ramp

primary

#831E10

secondary

#36A9B9

accent

#DDF533

background

#FBF6F4

surface

#F7EBE7

border

#D0C6C3

text

#120602

muted

#817A78

Preview Lab

Preview with #831E10

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →