#811B22#811B22

#811B22 is a dark, vivid red. Relative luminance 0.056; OKLCH L 39.9% C 0.136 H 22.7°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#811B22
RGB	rgb(129, 27, 34)
HSL	hsl(356, 65%, 31%)
HSV	hsv(356, 79%, 51%)
CMYK	cmyk(0%, 79.1%, 73.6%, 49.4%)
CIE-LAB	lab(28.30, 43.01, 22.95)
CIE-LCH	lch(28.30, 48.75, 28.08°)
OKLab	oklab(39.85% 0.1258 0.0527)
OKLCH	oklch(39.85% 0.136 22.7)
XYZ	xyz(9.7350, 5.5680, 2.0752)
Luminance	0.0557 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811B22 #1B817A

analogous

#811B55 #811B22 #81471B

triadic

#811B22 #22811B #1B2281

tetradic

#811B22 #55811B #1B817A #471B81

square

#811B22 #55811B #1B817A #471B81

split-complementary

#811B22 #1B8147 #1B5581

monochromatic

#1C0607 #4E1015 #811B22 #B4262F #D73F4A

Accessibility & contrast

On white

9.94

#811B22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#811B22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811B22

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811B22	#FFFFFF	#000000	##FFFFFF
##811B22	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3521

Deuteranopia (green-blind)

#534B1F

Tritanopia (blue-blind)

#8E001F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #811b22;
/* rgb */ color: rgb(129, 27, 34);
/* oklch */ color: oklch(39.9% 0.136 22.7);

Tailwind

colors: {
  custom: {
    50: '#ad615d',
    500: '#811b22',
    950: '#000000',
  },
}

SCSS

$custom: #811b22;
$custom-light: #ad615d;
$custom-dark: #000000;

JSON

{
  "hex": "#811b22",
  "rgb": {
    "r": 129,
    "g": 27,
    "b": 34
  },
  "hsl": {
    "h": 355.882,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39854,
    "c": 0.13641,
    "h": 22.7
  },
  "luminance": 0.05566
}

Semantic roles & 50–950 ramp

primary

#811B22

secondary

#43B5AD

accent

#E8DD3F

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #811B22

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

Preview Lab → · Contrast checker → · Palette generator →