#81311D#81311D

#81311D is a dark, moderate red. Relative luminance 0.070; OKLCH L 42.4% C 0.115 H 35.2°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#81311D
RGB	rgb(129, 49, 29)
HSL	hsl(12, 63%, 31%)
HSV	hsv(12, 78%, 51%)
CMYK	cmyk(0%, 62%, 77.5%, 49.4%)
CIE-LAB	lab(31.70, 33.34, 29.85)
CIE-LCH	lch(31.70, 44.75, 41.83°)
OKLab	oklab(42.39% 0.0944 0.0665)
OKLCH	oklch(42.39% 0.115 35.2)
XYZ	xyz(10.3744, 6.9539, 1.9581)
Luminance	0.0695 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81311D #1D6D81

analogous

#811D3B #81311D #81631D

triadic

#81311D #1D8131 #311D81

tetradic

#81311D #3B811D #1D6D81 #631D81

square

#81311D #3B811D #1D6D81 #631D81

split-complementary

#81311D #1D8163 #1D3B81

monochromatic

#1D0B07 #4F1E12 #81311D #B34428 #D56144

Accessibility & contrast

On white

8.79

#81311D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#81311D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81311D

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81311D	#FFFFFF	#000000	##FFFFFF
##81311D	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47401A

Deuteranopia (green-blind)

#5B511A

Tritanopia (blue-blind)

#8E1E2D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #81311d;
/* rgb */ color: rgb(129, 49, 29);
/* oklch */ color: oklch(42.4% 0.115 35.2);

Tailwind

colors: {
  custom: {
    50: '#ac6c5a',
    500: '#81311d',
    950: '#000000',
  },
}

SCSS

$custom: #81311d;
$custom-light: #ac6c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#81311d",
  "rgb": {
    "r": 129,
    "g": 49,
    "b": 29
  },
  "hsl": {
    "h": 12,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.42386,
    "c": 0.11548,
    "h": 35.2
  },
  "luminance": 0.06952
}

Semantic roles & 50–950 ramp

primary

#81311D

secondary

#469EB4

accent

#C5E641

background

#FBF6F5

surface

#F6ECE9

border

#D0C7C5

text

#110704

muted

#807A79

Preview Lab

Preview with #81311D

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

Preview Lab → · Contrast checker → · Palette generator →