#81151A#81151A

#81151A is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.2% C 0.142 H 24.9°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#81151A
RGB	rgb(129, 21, 26)
HSL	hsl(357, 72%, 29%)
HSV	hsv(357, 84%, 51%)
CMYK	cmyk(0%, 83.7%, 79.8%, 49.4%)
CIE-LAB	lab(27.52, 44.54, 27.13)
CIE-LCH	lch(27.52, 52.15, 31.35°)
OKLab	oklab(39.24% 0.1288 0.0598)
OKLCH	oklch(39.24% 0.142 24.9)
XYZ	xyz(9.5090, 5.2796, 1.4955)
Luminance	0.0528 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81151A #15817C

analogous

#811550 #81151A #814615

triadic

#81151A #1A8115 #151A81

tetradic

#81151A #508115 #15817C #461581

square

#81151A #508115 #15817C #461581

split-complementary

#81151A #158146 #155081

monochromatic

#1A0405 #4C0C0F #81151A #B61E25 #DE333B

Accessibility & contrast

On white

10.22

#81151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#81151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81151A

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81151A	#FFFFFF	#000000	##FFFFFF
##81151A	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383219

Deuteranopia (green-blind)

#524915

Tritanopia (blue-blind)

#8F0018

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #81151a;
/* rgb */ color: rgb(129, 21, 26);
/* oklch */ color: oklch(39.2% 0.142 24.9);

Tailwind

colors: {
  custom: {
    50: '#ae5f57',
    500: '#81151a',
    950: '#000000',
  },
}

SCSS

$custom: #81151a;
$custom-light: #ae5f57;
$custom-dark: #000000;

JSON

{
  "hex": "#81151a",
  "rgb": {
    "r": 129,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 357.222,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39241,
    "c": 0.14201,
    "h": 24.9
  },
  "luminance": 0.05278
}

Semantic roles & 50–950 ramp

primary

#81151A

secondary

#3CB6B0

accent

#EFE639

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120503

muted

#817978

Preview Lab

Preview with #81151A

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

Preview Lab → · Contrast checker → · Palette generator →