#81151C#81151C

#81151C is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.3% C 0.142 H 24.0°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#81151C
RGB	rgb(129, 21, 28)
HSL	hsl(356, 72%, 29%)
HSV	hsv(356, 84%, 51%)
CMYK	cmyk(0%, 83.7%, 78.3%, 49.4%)
CIE-LAB	lab(27.54, 44.62, 25.91)
CIE-LCH	lch(27.54, 51.60, 30.14°)
OKLab	oklab(39.27% 0.1295 0.0577)
OKLCH	oklch(39.27% 0.142 24)
XYZ	xyz(9.5322, 5.2888, 1.6173)
Luminance	0.0529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81151C #15817A

analogous

#811552 #81151C #814415

triadic

#81151C #1C8115 #151C81

tetradic

#81151C #528115 #15817A #441581

square

#81151C #528115 #15817A #441581

split-complementary

#81151C #158144 #155281

monochromatic

#1A0406 #4C0C11 #81151C #B61E27 #DE333E

Accessibility & contrast

On white

10.21

#81151C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#81151C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81151C

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81151C	#FFFFFF	#000000	##FFFFFF
##81151C	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38321B

Deuteranopia (green-blind)

#524918

Tritanopia (blue-blind)

#8F0019

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #81151c;
/* rgb */ color: rgb(129, 21, 28);
/* oklch */ color: oklch(39.3% 0.142 24.0);

Tailwind

colors: {
  custom: {
    50: '#ae5f58',
    500: '#81151c',
    950: '#000000',
  },
}

SCSS

$custom: #81151c;
$custom-light: #ae5f58;
$custom-dark: #000000;

JSON

{
  "hex": "#81151c",
  "rgb": {
    "r": 129,
    "g": 21,
    "b": 28
  },
  "hsl": {
    "h": 356.111,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39268,
    "c": 0.1418,
    "h": 24
  },
  "luminance": 0.05287
}

Semantic roles & 50–950 ramp

primary

#81151C

secondary

#3CB6AE

accent

#EFE339

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120503

muted

#817978

Preview Lab

Preview with #81151C

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

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