#811021#811021

#811021 is a dark, vivid red. Relative luminance 0.051; OKLCH L 39.0% C 0.145 H 20.6°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#811021
RGB	rgb(129, 16, 33)
HSL	hsl(351, 78%, 28%)
HSV	hsv(351, 88%, 51%)
CMYK	cmyk(0%, 87.6%, 74.4%, 49.4%)
CIE-LAB	lab(27.16, 46.14, 22.25)
CIE-LCH	lch(27.16, 51.22, 25.74°)
OKLab	oklab(39% 0.1356 0.0509)
OKLCH	oklch(39% 0.145 20.6)
XYZ	xyz(9.5142, 5.1491, 1.9315)
Luminance	0.0515 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811021 #108170

analogous

#811059 #811021 #813710

triadic

#811021 #218110 #102181

tetradic

#811021 #598110 #108170 #371081

square

#811021 #598110 #108170 #371081

split-complementary

#811021 #108137 #105981

monochromatic

#1B0307 #4B0913 #811021 #B7172F #E42744

Accessibility & contrast

On white

10.35

#811021 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#811021 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811021

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811021	#FFFFFF	#000000	##FFFFFF
##811021	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353121

Deuteranopia (green-blind)

#51481D

Tritanopia (blue-blind)

#8E0018

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #811021;
/* rgb */ color: rgb(129, 16, 33);
/* oklch */ color: oklch(39.0% 0.145 20.6);

Tailwind

colors: {
  custom: {
    50: '#ad5d5c',
    500: '#811021',
    950: '#000000',
  },
}

SCSS

$custom: #811021;
$custom-light: #ad5d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#811021",
  "rgb": {
    "r": 129,
    "g": 16,
    "b": 33
  },
  "hsl": {
    "h": 350.973,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39004,
    "c": 0.14483,
    "h": 20.6
  },
  "luminance": 0.05148
}

Semantic roles & 50–950 ramp

primary

#811021

secondary

#36B7A4

accent

#F4D733

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120504

muted

#817979

Preview Lab

Preview with #811021

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

Preview Lab → · Contrast checker → · Palette generator →