#831F27#831F27

#831F27 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.7% C 0.134 H 21.5°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#831F27
RGB	rgb(131, 31, 39)
HSL	hsl(355, 62%, 32%)
HSV	hsv(355, 76%, 51%)
CMYK	cmyk(0%, 76.3%, 70.2%, 48.6%)
CIE-LAB	lab(29.29, 42.51, 21.02)
CIE-LCH	lch(29.29, 47.42, 26.31°)
OKLab	oklab(40.7% 0.1251 0.0492)
OKLCH	oklch(40.7% 0.134 21.5)
XYZ	xyz(10.2174, 5.9533, 2.5302)
Luminance	0.0595 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831F27 #1F837B

analogous

#831F59 #831F27 #83491F

triadic

#831F27 #27831F #1F2783

tetradic

#831F27 #59831F #1F837B #491F83

square

#831F27 #59831F #1F837B #491F83

split-complementary

#831F27 #1F8349 #1F5983

monochromatic

#20080A #521318 #831F27 #B42B36 #D44954

Accessibility & contrast

On white

9.59

#831F27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#831F27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F27

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831F27	#FFFFFF	#000000	##FFFFFF
##831F27	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3726

Deuteranopia (green-blind)

#554D24

Tritanopia (blue-blind)

#900023

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831f27;
/* rgb */ color: rgb(131, 31, 39);
/* oklch */ color: oklch(40.7% 0.134 21.5);

Tailwind

colors: {
  custom: {
    50: '#ae6361',
    500: '#831f27',
    950: '#000000',
  },
}

SCSS

$custom: #831f27;
$custom-light: #ae6361;
$custom-dark: #000000;

JSON

{
  "hex": "#831f27",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 39
  },
  "hsl": {
    "h": 355.2,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40696,
    "c": 0.13443,
    "h": 21.5
  },
  "luminance": 0.05952
}

Semantic roles & 50–950 ramp

primary

#831F27

secondary

#48B6AD

accent

#E5D843

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120605

muted

#817A79

Preview Lab

Preview with #831F27

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

Preview Lab → · Contrast checker → · Palette generator →