#831A20#831A20

#831A20 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.1% C 0.140 H 23.6°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#831A20
RGB	rgb(131, 26, 32)
HSL	hsl(357, 67%, 31%)
HSV	hsv(357, 80%, 51%)
CMYK	cmyk(0%, 80.2%, 75.6%, 48.6%)
CIE-LAB	lab(28.56, 43.89, 24.65)
CIE-LCH	lch(28.56, 50.34, 29.32°)
OKLab	oklab(40.12% 0.1279 0.0558)
OKLCH	oklch(40.12% 0.14 23.6)
XYZ	xyz(9.9913, 5.6699, 1.9345)
Luminance	0.0567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831A20 #1A837D

analogous

#831A54 #831A20 #83481A

triadic

#831A20 #20831A #1A2083

tetradic

#831A20 #54831A #1A837D #481A83

square

#831A20 #54831A #1A837D #481A83

split-complementary

#831A20 #1A8348 #1A5483

monochromatic

#1D0607 #501014 #831A20 #B6242C #D93F47

Accessibility & contrast

On white

9.84

#831A20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#831A20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831A20

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831A20	#FFFFFF	#000000	##FFFFFF
##831A20	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A351F

Deuteranopia (green-blind)

#544B1C

Tritanopia (blue-blind)

#91001D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #831a20;
/* rgb */ color: rgb(131, 26, 32);
/* oklch */ color: oklch(40.1% 0.140 23.6);

Tailwind

colors: {
  custom: {
    50: '#af615b',
    500: '#831a20',
    950: '#000000',
  },
}

SCSS

$custom: #831a20;
$custom-light: #af615b;
$custom-dark: #000000;

JSON

{
  "hex": "#831a20",
  "rgb": {
    "r": 131,
    "g": 26,
    "b": 32
  },
  "hsl": {
    "h": 356.571,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40119,
    "c": 0.13953,
    "h": 23.6
  },
  "luminance": 0.05668
}

Semantic roles & 50–950 ramp

primary

#831A20

secondary

#42B7B0

accent

#EAE03E

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #831A20

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

Preview Lab → · Contrast checker → · Palette generator →