#81231E#81231E

#81231E is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.6% C 0.129 H 27.5°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#81231E
RGB	rgb(129, 35, 30)
HSL	hsl(3, 62%, 31%)
HSV	hsv(3, 77%, 51%)
CMYK	cmyk(0%, 72.9%, 76.7%, 49.4%)
CIE-LAB	lab(29.32, 39.82, 26.65)
CIE-LCH	lch(29.32, 47.91, 33.79°)
OKLab	oklab(40.6% 0.1148 0.0598)
OKLCH	oklch(40.6% 0.129 27.5)
XYZ	xyz(9.8898, 5.9644, 1.8585)
Luminance	0.0596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81231E #1E7C81

analogous

#811E4A #81231E #81541E

triadic

#81231E #1E8123 #231E81

tetradic

#81231E #4A811E #1E7C81 #541E81

square

#81231E #4A811E #1E7C81 #541E81

split-complementary

#81231E #1E8154 #1E4A81

monochromatic

#1E0807 #4F1612 #81231E #B3302A #D44D46

Accessibility & contrast

On white

9.58

#81231E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#81231E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81231E

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81231E	#FFFFFF	#000000	##FFFFFF
##81231E	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E381D

Deuteranopia (green-blind)

#564D1B

Tritanopia (blue-blind)

#8E0123

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #81231e;
/* rgb */ color: rgb(129, 35, 30);
/* oklch */ color: oklch(40.6% 0.129 27.5);

Tailwind

colors: {
  custom: {
    50: '#ad655a',
    500: '#81231e',
    950: '#000000',
  },
}

SCSS

$custom: #81231e;
$custom-light: #ad655a;
$custom-dark: #000000;

JSON

{
  "hex": "#81231e",
  "rgb": {
    "r": 129,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 3.03,
    "s": 62.264,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40602,
    "c": 0.12947,
    "h": 27.5
  },
  "luminance": 0.05963
}

Semantic roles & 50–950 ramp

primary

#81231E

secondary

#47AFB4

accent

#DDE542

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #81231E

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

Preview Lab → · Contrast checker → · Palette generator →