#831210#831210

#831210 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.3% C 0.147 H 28.0°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#831210
RGB	rgb(131, 18, 16)
HSL	hsl(1, 78%, 29%)
HSV	hsv(1, 88%, 51%)
CMYK	cmyk(0%, 86.3%, 87.8%, 48.6%)
CIE-LAB	lab(27.56, 45.65, 33.18)
CIE-LCH	lch(27.56, 56.43, 36.01°)
OKLab	oklab(39.32% 0.1299 0.069)
OKLCH	oklch(39.32% 0.147 28)
XYZ	xyz(9.6711, 5.2969, 1.0033)
Luminance	0.0529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831210 #108183

analogous

#831048 #831210 #834C10

triadic

#831210 #108312 #121083

tetradic

#831210 #488310 #108183 #4C1083

square

#831210 #488310 #108183 #4C1083

split-complementary

#831210 #10834C #104883

monochromatic

#1B0403 #4C0B09 #831210 #BA1917 #E52C29

Accessibility & contrast

On white

10.20

#831210 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#831210 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831210

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831210	#FFFFFF	#000000	##FFFFFF
##831210	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38310E

Deuteranopia (green-blind)

#534A09

Tritanopia (blue-blind)

#910014

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831210;
/* rgb */ color: rgb(131, 18, 16);
/* oklch */ color: oklch(39.3% 0.147 28.0);

Tailwind

colors: {
  custom: {
    50: '#b05e50',
    500: '#831210',
    950: '#000000',
  },
}

SCSS

$custom: #831210;
$custom-light: #b05e50;
$custom-dark: #000000;

JSON

{
  "hex": "#831210",
  "rgb": {
    "r": 131,
    "g": 18,
    "b": 16
  },
  "hsl": {
    "h": 1.043,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3932,
    "c": 0.1471,
    "h": 28
  },
  "luminance": 0.05295
}

Semantic roles & 50–950 ramp

primary

#831210

secondary

#36B7B9

accent

#F1F533

background

#FCF5F4

surface

#F8EAE7

border

#D1C6C3

text

#120502

muted

#817978

Preview Lab

Preview with #831210

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

Preview Lab → · Contrast checker → · Palette generator →