#851B22#851B22

#851B22 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.141 H 23.0°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#851B22
RGB	rgb(133, 27, 34)
HSL	hsl(356, 66%, 31%)
HSV	hsv(356, 80%, 52%)
CMYK	cmyk(0%, 79.7%, 74.4%, 47.8%)
CIE-LAB	lab(29.13, 44.29, 24.13)
CIE-LCH	lch(29.13, 50.44, 28.59°)
OKLab	oklab(40.62% 0.1294 0.055)
OKLCH	oklch(40.62% 0.141 23)
XYZ	xyz(10.3547, 5.8875, 2.1042)
Luminance	0.0589 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851B22 #1B857E

analogous

#851B57 #851B22 #85491B

triadic

#851B22 #22851B #1B2285

tetradic

#851B22 #57851B #1B857E #491B85

square

#851B22 #57851B #1B857E #491B85

split-complementary

#851B22 #1B8549 #1B5785

monochromatic

#1F0608 #521115 #851B22 #B8252F #D9424C

Accessibility & contrast

On white

9.65

#851B22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#851B22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851B22

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851B22	#FFFFFF	#000000	##FFFFFF
##851B22	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3621

Deuteranopia (green-blind)

#554D1E

Tritanopia (blue-blind)

#93001F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851b22;
/* rgb */ color: rgb(133, 27, 34);
/* oklch */ color: oklch(40.6% 0.141 23.0);

Tailwind

colors: {
  custom: {
    50: '#b0625d',
    500: '#851b22',
    950: '#000000',
  },
}

SCSS

$custom: #851b22;
$custom-light: #b0625d;
$custom-dark: #000000;

JSON

{
  "hex": "#851b22",
  "rgb": {
    "r": 133,
    "g": 27,
    "b": 34
  },
  "hsl": {
    "h": 356.038,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.4062,
    "c": 0.14057,
    "h": 23
  },
  "luminance": 0.05886
}

Semantic roles & 50–950 ramp

primary

#851B22

secondary

#44B8B1

accent

#E9DE3F

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #851B22

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

Preview Lab → · Contrast checker → · Palette generator →