#811B10#811B10

#811B10 is a dark, vivid red. Relative luminance 0.055; OKLCH L 39.6% C 0.139 H 30.3°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#811B10
RGB	rgb(129, 27, 16)
HSL	hsl(6, 78%, 28%)
HSV	hsv(6, 88%, 51%)
CMYK	cmyk(0%, 79.1%, 87.6%, 49.4%)
CIE-LAB	lab(28.09, 42.33, 33.48)
CIE-LCH	lch(28.09, 53.97, 38.34°)
OKLab	oklab(39.63% 0.1198 0.07)
OKLCH	oklch(39.63% 0.139 30.3)
XYZ	xyz(9.5399, 5.4899, 1.0475)
Luminance	0.0549 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811B10 #107681

analogous

#81103D #811B10 #815310

triadic

#811B10 #10811B #1B1081

tetradic

#811B10 #3D8110 #107681 #531081

square

#811B10 #3D8110 #107681 #531081

split-complementary

#811B10 #108153 #103D81

monochromatic

#1B0603 #4B1009 #811B10 #B72617 #E43A27

Accessibility & contrast

On white

10.01

#811B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#811B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811B10

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811B10	#FFFFFF	#000000	##FFFFFF
##811B10	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B340D

Deuteranopia (green-blind)

#544A0A

Tritanopia (blue-blind)

#8F001A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #811b10;
/* rgb */ color: rgb(129, 27, 16);
/* oklch */ color: oklch(39.6% 0.139 30.3);

Tailwind

colors: {
  custom: {
    50: '#ae6150',
    500: '#811b10',
    950: '#000000',
  },
}

SCSS

$custom: #811b10;
$custom-light: #ae6150;
$custom-dark: #000000;

JSON

{
  "hex": "#811b10",
  "rgb": {
    "r": 129,
    "g": 27,
    "b": 16
  },
  "hsl": {
    "h": 5.841,
    "s": 77.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39633,
    "c": 0.1387,
    "h": 30.3
  },
  "luminance": 0.05488
}

Semantic roles & 50–950 ramp

primary

#811B10

secondary

#36AAB7

accent

#E2F433

background

#FBF6F4

surface

#F6EBE7

border

#D0C6C3

text

#120502

muted

#817A78

Preview Lab

Preview with #811B10

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

Preview Lab → · Contrast checker → · Palette generator →