#81151D#81151D

#81151D is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.3% C 0.142 H 23.6°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#81151D
RGB	rgb(129, 21, 29)
HSL	hsl(356, 72%, 29%)
HSV	hsv(356, 84%, 51%)
CMYK	cmyk(0%, 83.7%, 77.5%, 49.4%)
CIE-LAB	lab(27.56, 44.66, 25.29)
CIE-LCH	lch(27.56, 51.33, 29.52°)
OKLab	oklab(39.28% 0.1299 0.0566)
OKLCH	oklch(39.28% 0.142 23.6)
XYZ	xyz(9.5443, 5.2937, 1.6814)
Luminance	0.0529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81151D #158179

analogous

#811553 #81151D #814315

triadic

#81151D #1D8115 #151D81

tetradic

#81151D #538115 #158179 #431581

square

#81151D #538115 #158179 #431581

split-complementary

#81151D #158143 #155381

monochromatic

#1A0406 #4C0C11 #81151D #B61E29 #DE333F

Accessibility & contrast

On white

10.20

#81151D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#81151D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81151D

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81151D	#FFFFFF	#000000	##FFFFFF
##81151D	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321C

Deuteranopia (green-blind)

#524919

Tritanopia (blue-blind)

#8F0019

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #81151d;
/* rgb */ color: rgb(129, 21, 29);
/* oklch */ color: oklch(39.3% 0.142 23.6);

Tailwind

colors: {
  custom: {
    50: '#ae5f59',
    500: '#81151d',
    950: '#000000',
  },
}

SCSS

$custom: #81151d;
$custom-light: #ae5f59;
$custom-dark: #000000;

JSON

{
  "hex": "#81151d",
  "rgb": {
    "r": 129,
    "g": 21,
    "b": 29
  },
  "hsl": {
    "h": 355.556,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39282,
    "c": 0.1417,
    "h": 23.6
  },
  "luminance": 0.05292
}

Semantic roles & 50–950 ramp

primary

#81151D

secondary

#3CB6AD

accent

#EFE139

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120503

muted

#817978

Preview Lab

Preview with #81151D

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

Preview Lab → · Contrast checker → · Palette generator →