#811B13#811B13

#811B13 is a dark, vivid red. Relative luminance 0.055; OKLCH L 39.7% C 0.138 H 29.3°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#811B13
RGB	rgb(129, 27, 19)
HSL	hsl(4, 74%, 29%)
HSV	hsv(4, 85%, 51%)
CMYK	cmyk(0%, 79.1%, 85.3%, 49.4%)
CIE-LAB	lab(28.11, 42.42, 31.87)
CIE-LCH	lch(28.11, 53.06, 36.92°)
OKLab	oklab(39.66% 0.1206 0.0677)
OKLCH	oklch(39.66% 0.138 29.3)
XYZ	xyz(9.5639, 5.4995, 1.1739)
Luminance	0.0550 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811B13 #137981

analogous

#811342 #811B13 #815213

triadic

#811B13 #13811B #1B1381

tetradic

#811B13 #428113 #137981 #521381

square

#811B13 #428113 #137981 #521381

split-complementary

#811B13 #138152 #134281

monochromatic

#1B0604 #4C100B #811B13 #B6261B #E03B2E

Accessibility & contrast

On white

10.00

#811B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#811B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811B13

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811B13	#FFFFFF	#000000	##FFFFFF
##811B13	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3411

Deuteranopia (green-blind)

#544A0D

Tritanopia (blue-blind)

#8F001A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #811b13;
/* rgb */ color: rgb(129, 27, 19);
/* oklch */ color: oklch(39.7% 0.138 29.3);

Tailwind

colors: {
  custom: {
    50: '#ae6152',
    500: '#811b13',
    950: '#000000',
  },
}

SCSS

$custom: #811b13;
$custom-light: #ae6152;
$custom-dark: #000000;

JSON

{
  "hex": "#811b13",
  "rgb": {
    "r": 129,
    "g": 27,
    "b": 19
  },
  "hsl": {
    "h": 4.364,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3966,
    "c": 0.13829,
    "h": 29.3
  },
  "luminance": 0.05498
}

Semantic roles & 50–950 ramp

primary

#811B13

secondary

#3AADB6

accent

#E3F137

background

#FBF6F4

surface

#F6EBE7

border

#D0C6C3

text

#120502

muted

#817A78

Preview Lab

Preview with #811B13

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

Preview Lab → · Contrast checker → · Palette generator →