#83311D#83311D

#83311D is a dark, moderate red. Relative luminance 0.071; OKLCH L 42.7% C 0.118 H 34.9°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX#83311D
RGBrgb(131, 49, 29)
HSLhsl(12, 64%, 31%)
HSVhsv(12, 78%, 51%)
CMYKcmyk(0%, 62.6%, 77.9%, 48.6%)
CIE-LABlab(32.06, 34.13, 30.34)
CIE-LCHlch(32.06, 45.66, 41.63°)
OKLaboklab(42.73% 0.0966 0.0674)
OKLCHoklch(42.73% 0.118 34.9)
XYZxyz(10.6813, 7.1121, 1.9725)
Luminance0.0711 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#83311D #1D6F83
analogous
#831D3C #83311D #83641D
triadic
#83311D #1D8331 #311D83
tetradic
#83311D #3C831D #1D6F83 #641D83
square
#83311D #3C831D #1D6F83 #641D83
split-complementary
#83311D #1D8364 #1D3C83
monochromatic
#1F0C07 #511E12 #83311D #B54428 #D66145

Accessibility & contrast

On white

8.67
#83311D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#83311D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83311D
8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##83311D#FFFFFF#000000##FFFFFF
##83311D1.008.672.428.67
#FFFFFF8.671.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#48401A
Deuteranopia (green-blind)
#5C521A
Tritanopia (blue-blind)
#901D2D
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #83311d;
/* rgb */ color: rgb(131, 49, 29);
/* oklch */ color: oklch(42.7% 0.118 34.9);
Tailwind
colors: {
  custom: {
    50: '#ae6d5a',
    500: '#83311d',
    950: '#000000',
  },
}
SCSS
$custom: #83311d;
$custom-light: #ae6d5a;
$custom-dark: #000000;
JSON
{
  "hex": "#83311d",
  "rgb": {
    "r": 131,
    "g": 49,
    "b": 29
  },
  "hsl": {
    "h": 11.765,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42726,
    "c": 0.11782,
    "h": 34.9
  },
  "luminance": 0.07111
}

Semantic roles & 50–950 ramp

primary
#83311D
secondary
#46A0B6
accent
#C6E741
background
#FBF6F5
surface
#F6ECE9
border
#D0C7C5
text
#120704
muted
#817A79

Preview Lab

Preview with #83311D

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

Preview Lab → · Contrast checker → · Palette generator →

#83311D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva