#831020#831020

#831020 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.4% C 0.147 H 21.3°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#831020
RGB	rgb(131, 16, 32)
HSL	hsl(352, 78%, 29%)
HSV	hsv(352, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 75.6%, 48.6%)
CIE-LAB	lab(27.58, 46.68, 23.50)
CIE-LCH	lch(27.58, 52.26, 26.73°)
OKLab	oklab(39.39% 0.1368 0.0533)
OKLCH	oklch(39.39% 0.147 21.3)
XYZ	xyz(9.8073, 5.3018, 1.8732)
Luminance	0.0530 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831020 #108373

analogous

#83105A #831020 #833A10

triadic

#831020 #208310 #102083

tetradic

#831020 #5A8310 #108373 #3A1083

square

#831020 #5A8310 #108373 #3A1083

split-complementary

#831020 #10833A #105A83

monochromatic

#1B0307 #4C0913 #831020 #BA172D #E52943

Accessibility & contrast

On white

10.19

#831020 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#831020 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831020

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831020	#FFFFFF	#000000	##FFFFFF
##831020	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36321F

Deuteranopia (green-blind)

#524A1C

Tritanopia (blue-blind)

#910018

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831020;
/* rgb */ color: rgb(131, 16, 32);
/* oklch */ color: oklch(39.4% 0.147 21.3);

Tailwind

colors: {
  custom: {
    50: '#af5e5b',
    500: '#831020',
    950: '#000000',
  },
}

SCSS

$custom: #831020;
$custom-light: #af5e5b;
$custom-dark: #000000;

JSON

{
  "hex": "#831020",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 32
  },
  "hsl": {
    "h": 351.652,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39388,
    "c": 0.14681,
    "h": 21.3
  },
  "luminance": 0.053
}

Semantic roles & 50–950 ramp

primary

#831020

secondary

#36B9A7

accent

#F5DA33

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120504

muted

#817979

Preview Lab

Preview with #831020

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

Preview Lab → · Contrast checker → · Palette generator →