#831D16#831D16

#831D16 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.3% C 0.138 H 28.8°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#831D16
RGB	rgb(131, 29, 22)
HSL	hsl(4, 71%, 30%)
HSV	hsv(4, 83%, 51%)
CMYK	cmyk(0%, 77.9%, 83.2%, 48.6%)
CIE-LAB	lab(28.81, 42.48, 30.99)
CIE-LCH	lch(28.81, 52.58, 36.11°)
OKLab	oklab(40.26% 0.1212 0.0667)
OKLCH	oklch(40.26% 0.138 28.8)
XYZ	xyz(9.9455, 5.7635, 1.3477)
Luminance	0.0576 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D16 #167C83

analogous

#831646 #831D16 #835316

triadic

#831D16 #16831D #1D1683

tetradic

#831D16 #468316 #167C83 #531683

square

#831D16 #468316 #167C83 #531683

split-complementary

#831D16 #168353 #164683

monochromatic

#1A0604 #4F110D #831D16 #B7291F #DD4136

Accessibility & contrast

On white

9.76

#831D16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#831D16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D16

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D16	#FFFFFF	#000000	##FFFFFF
##831D16	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3614

Deuteranopia (green-blind)

#564C11

Tritanopia (blue-blind)

#91001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831d16;
/* rgb */ color: rgb(131, 29, 22);
/* oklch */ color: oklch(40.3% 0.138 28.8);

Tailwind

colors: {
  custom: {
    50: '#af6254',
    500: '#831d16',
    950: '#000000',
  },
}

SCSS

$custom: #831d16;
$custom-light: #af6254;
$custom-dark: #000000;

JSON

{
  "hex": "#831d16",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 22
  },
  "hsl": {
    "h": 3.853,
    "s": 71.242,
    "l": 30
  },
  "oklch": {
    "l": 0.40262,
    "c": 0.1383,
    "h": 28.8
  },
  "luminance": 0.05762
}

Semantic roles & 50–950 ramp

primary

#831D16

secondary

#3DB0B7

accent

#E2EE3A

background

#FBF6F4

surface

#F6EBE7

border

#D0C6C3

text

#120603

muted

#817A78

Preview Lab

Preview with #831D16

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

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