#831F22#831F22

#831F22 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.135 H 24.1°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#831F22
RGB	rgb(131, 31, 34)
HSL	hsl(358, 62%, 32%)
HSV	hsv(358, 76%, 51%)
CMYK	cmyk(0%, 76.3%, 74%, 48.6%)
CIE-LAB	lab(29.22, 42.24, 24.13)
CIE-LCH	lch(29.22, 48.65, 29.74°)
OKLab	oklab(40.61% 0.1231 0.0551)
OKLCH	oklch(40.61% 0.135 24.1)
XYZ	xyz(10.1399, 5.9223, 2.1223)
Luminance	0.0592 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831F22 #1F8380

analogous

#831F54 #831F22 #834E1F

triadic

#831F22 #22831F #1F2283

tetradic

#831F22 #54831F #1F8380 #4E1F83

square

#831F22 #54831F #1F8380 #4E1F83

split-complementary

#831F22 #1F834E #1F5483

monochromatic

#200808 #521315 #831F22 #B42B2F #D4494D

Accessibility & contrast

On white

9.61

#831F22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#831F22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F22

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831F22	#FFFFFF	#000000	##FFFFFF
##831F22	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3721

Deuteranopia (green-blind)

#554D1F

Tritanopia (blue-blind)

#910021

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831f22;
/* rgb */ color: rgb(131, 31, 34);
/* oklch */ color: oklch(40.6% 0.135 24.1);

Tailwind

colors: {
  custom: {
    50: '#ae635d',
    500: '#831f22',
    950: '#000000',
  },
}

SCSS

$custom: #831f22;
$custom-light: #ae635d;
$custom-dark: #000000;

JSON

{
  "hex": "#831f22",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 34
  },
  "hsl": {
    "h": 358.2,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40613,
    "c": 0.1349,
    "h": 24.1
  },
  "luminance": 0.05921
}

Semantic roles & 50–950 ramp

primary

#831F22

secondary

#48B6B2

accent

#E5E043

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #831F22

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

Preview Lab → · Contrast checker → · Palette generator →