#831012#831012

#831012 is a dark, vivid red. Relative luminance 0.052; OKLCH L 39.2% C 0.148 H 27.0°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#831012
RGB	rgb(131, 16, 18)
HSL	hsl(359, 78%, 29%)
HSV	hsv(359, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 86.3%, 48.6%)
CIE-LAB	lab(27.41, 46.19, 31.94)
CIE-LCH	lch(27.41, 56.15, 34.66°)
OKLab	oklab(39.21% 0.132 0.0671)
OKLCH	oklch(39.21% 0.148 27)
XYZ	xyz(9.6558, 5.2412, 1.0754)
Luminance	0.0524 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831012 #108381

analogous

#83104C #831012 #834810

triadic

#831012 #128310 #101283

tetradic

#831012 #4C8310 #108381 #481083

square

#831012 #4C8310 #108381 #481083

split-complementary

#831012 #108348 #104C83

monochromatic

#1B0304 #4C090B #831012 #BA1719 #E5292C

Accessibility & contrast

On white

10.25

#831012 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#831012 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831012

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831012	#FFFFFF	#000000	##FFFFFF
##831012	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373110

Deuteranopia (green-blind)

#53490B

Tritanopia (blue-blind)

#910013

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831012;
/* rgb */ color: rgb(131, 16, 18);
/* oklch */ color: oklch(39.2% 0.148 27.0);

Tailwind

colors: {
  custom: {
    50: '#b05d51',
    500: '#831012',
    950: '#000000',
  },
}

SCSS

$custom: #831012;
$custom-light: #b05d51;
$custom-dark: #000000;

JSON

{
  "hex": "#831012",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 18
  },
  "hsl": {
    "h": 358.957,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39212,
    "c": 0.14808,
    "h": 27
  },
  "luminance": 0.0524
}

Semantic roles & 50–950 ramp

primary

#831012

secondary

#36B9B7

accent

#F5F133

background

#FCF5F4

surface

#F8EAE7

border

#D1C6C3

text

#120502

muted

#817978

Preview Lab

Preview with #831012

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

Preview Lab → · Contrast checker → · Palette generator →