#83231D#83231D

#83231D is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.0% C 0.132 H 28.0°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#83231D
RGB	rgb(131, 35, 29)
HSL	hsl(4, 64%, 31%)
HSV	hsv(4, 78%, 51%)
CMYK	cmyk(0%, 73.3%, 77.9%, 48.6%)
CIE-LAB	lab(29.71, 40.47, 27.79)
CIE-LCH	lch(29.71, 49.09, 34.48°)
OKLab	oklab(40.96% 0.1164 0.0619)
OKLCH	oklch(40.96% 0.132 28)
XYZ	xyz(10.1840, 6.1176, 1.8067)
Luminance	0.0612 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83231D #1D7D83

analogous

#831D4A #83231D #83561D

triadic

#83231D #1D8323 #231D83

tetradic

#83231D #4A831D #1D7D83 #561D83

square

#83231D #4A831D #1D7D83 #561D83

split-complementary

#83231D #1D8356 #1D4A83

monochromatic

#1F0807 #511612 #83231D #B53028 #D64D45

Accessibility & contrast

On white

9.45

#83231D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#83231D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83231D

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83231D	#FFFFFF	#000000	##FFFFFF
##83231D	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F391B

Deuteranopia (green-blind)

#574E19

Tritanopia (blue-blind)

#910023

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #83231d;
/* rgb */ color: rgb(131, 35, 29);
/* oklch */ color: oklch(41.0% 0.132 28.0);

Tailwind

colors: {
  custom: {
    50: '#af6559',
    500: '#83231d',
    950: '#000000',
  },
}

SCSS

$custom: #83231d;
$custom-light: #af6559;
$custom-dark: #000000;

JSON

{
  "hex": "#83231d",
  "rgb": {
    "r": 131,
    "g": 35,
    "b": 29
  },
  "hsl": {
    "h": 3.529,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40958,
    "c": 0.13183,
    "h": 28
  },
  "luminance": 0.06116
}

Semantic roles & 50–950 ramp

primary

#83231D

secondary

#46AFB6

accent

#DDE741

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120603

muted

#817A78

Preview Lab

Preview with #83231D

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

Preview Lab → · Contrast checker → · Palette generator →