#81131E#81131E

#81131E is a dark, vivid red. Relative luminance 0.052; OKLCH L 39.2% C 0.143 H 22.6°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#81131E
RGB	rgb(129, 19, 30)
HSL	hsl(354, 74%, 29%)
HSV	hsv(354, 85%, 51%)
CMYK	cmyk(0%, 85.3%, 76.7%, 49.4%)
CIE-LAB	lab(27.38, 45.26, 24.45)
CIE-LCH	lch(27.38, 51.44, 28.38°)
OKLab	oklab(39.15% 0.132 0.055)
OKLCH	oklch(39.15% 0.143 22.6)
XYZ	xyz(9.5216, 5.2281, 1.7358)
Luminance	0.0523 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81131E #138176

analogous

#811355 #81131E #813F13

triadic

#81131E #1E8113 #131E81

tetradic

#81131E #558113 #138176 #3F1381

square

#81131E #558113 #138176 #3F1381

split-complementary

#81131E #13813F #135581

monochromatic

#1B0406 #4C0B12 #81131E #B61B2A #E02E40

Accessibility & contrast

On white

10.27

#81131E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#81131E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81131E

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81131E	#FFFFFF	#000000	##FFFFFF
##81131E	1.00	10.27	2.05	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321D

Deuteranopia (green-blind)

#51491A

Tritanopia (blue-blind)

#8F0019

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #81131e;
/* rgb */ color: rgb(129, 19, 30);
/* oklch */ color: oklch(39.2% 0.143 22.6);

Tailwind

colors: {
  custom: {
    50: '#ae5e59',
    500: '#81131e',
    950: '#000000',
  },
}

SCSS

$custom: #81131e;
$custom-light: #ae5e59;
$custom-dark: #000000;

JSON

{
  "hex": "#81131e",
  "rgb": {
    "r": 129,
    "g": 19,
    "b": 30
  },
  "hsl": {
    "h": 354,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39153,
    "c": 0.14304,
    "h": 22.6
  },
  "luminance": 0.05227
}

Semantic roles & 50–950 ramp

primary

#81131E

secondary

#3AB6AA

accent

#F1DE37

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120503

muted

#817978

Preview Lab

Preview with #81131E

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

Preview Lab → · Contrast checker → · Palette generator →