#851E1B#851E1B

#851E1B is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.139 H 27.2°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#851E1B
RGB	rgb(133, 30, 27)
HSL	hsl(2, 66%, 31%)
HSV	hsv(2, 80%, 52%)
CMYK	cmyk(0%, 77.4%, 79.7%, 47.8%)
CIE-LAB	lab(29.40, 42.96, 28.79)
CIE-LCH	lch(29.40, 51.72, 33.83°)
OKLab	oklab(40.8% 0.1235 0.0634)
OKLCH	oklch(40.8% 0.139 27.2)
XYZ	xyz(10.3362, 5.9958, 1.6498)
Luminance	0.0599 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851E1B #1B8285

analogous

#851B4D #851E1B #85531B

triadic

#851E1B #1B851E #1E1B85

tetradic

#851E1B #4D851B #1B8285 #531B85

square

#851E1B #4D851B #1B8285 #531B85

split-complementary

#851E1B #1B8553 #1B4D85

monochromatic

#1F0706 #521311 #851E1B #B82925 #D94642

Accessibility & contrast

On white

9.55

#851E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#851E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851E1B

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851E1B	#FFFFFF	#000000	##FFFFFF
##851E1B	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3719

Deuteranopia (green-blind)

#574D17

Tritanopia (blue-blind)

#93001F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851e1b;
/* rgb */ color: rgb(133, 30, 27);
/* oklch */ color: oklch(40.8% 0.139 27.2);

Tailwind

colors: {
  custom: {
    50: '#b16358',
    500: '#851e1b',
    950: '#000000',
  },
}

SCSS

$custom: #851e1b;
$custom-light: #b16358;
$custom-dark: #000000;

JSON

{
  "hex": "#851e1b",
  "rgb": {
    "r": 133,
    "g": 30,
    "b": 27
  },
  "hsl": {
    "h": 1.698,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40796,
    "c": 0.13884,
    "h": 27.2
  },
  "luminance": 0.05994
}

Semantic roles & 50–950 ramp

primary

#851E1B

secondary

#44B5B8

accent

#E4E93F

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #851E1B

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

Preview Lab → · Contrast checker → · Palette generator →