#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
RGB	rgb(131, 49, 29)
HSL	hsl(12, 64%, 31%)
HSV	hsv(12, 78%, 51%)
CMYK	cmyk(0%, 62.6%, 77.9%, 48.6%)
CIE-LAB	lab(32.06, 34.13, 30.34)
CIE-LCH	lch(32.06, 45.66, 41.63°)
OKLab	oklab(42.73% 0.0966 0.0674)
OKLCH	oklch(42.73% 0.118 34.9)
XYZ	xyz(10.6813, 7.1121, 1.9725)
Luminance	0.0711 (WCAG relative)
Temperature	warm
Family	red

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
##83311D	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

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 →