#831F33#831F33

#831F33 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.9% C 0.134 H 14.3°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#831F33
RGB	rgb(131, 31, 51)
HSL	hsl(348, 62%, 32%)
HSV	hsv(348, 76%, 51%)
CMYK	cmyk(0%, 76.3%, 61.1%, 48.6%)
CIE-LAB	lab(29.53, 43.28, 13.44)
CIE-LCH	lch(29.53, 45.32, 17.25°)
OKLab	oklab(40.95% 0.1301 0.0331)
OKLCH	oklch(40.95% 0.134 14.3)
XYZ	xyz(10.4486, 6.0458, 3.7481)
Luminance	0.0604 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831F33 #1F836F

analogous

#831F65 #831F33 #833D1F

triadic

#831F33 #33831F #1F3383

tetradic

#831F33 #65831F #1F836F #3D1F83

square

#831F33 #65831F #1F836F #3D1F83

split-complementary

#831F33 #1F833D #1F6583

monochromatic

#20080C #521320 #831F33 #B42B46 #D44964

Accessibility & contrast

On white

9.51

#831F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#831F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831F33

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831F33	#FFFFFF	#000000	##FFFFFF
##831F33	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3833

Deuteranopia (green-blind)

#544D30

Tritanopia (blue-blind)

#900027

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #831f33;
/* rgb */ color: rgb(131, 31, 51);
/* oklch */ color: oklch(40.9% 0.134 14.3);

Tailwind

colors: {
  custom: {
    50: '#ad646a',
    500: '#831f33',
    950: '#000000',
  },
}

SCSS

$custom: #831f33;
$custom-light: #ad646a;
$custom-dark: #000000;

JSON

{
  "hex": "#831f33",
  "rgb": {
    "r": 131,
    "g": 31,
    "b": 51
  },
  "hsl": {
    "h": 348,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40945,
    "c": 0.13427,
    "h": 14.3
  },
  "luminance": 0.06044
}

Semantic roles & 50–950 ramp

primary

#831F33

secondary

#48B6A0

accent

#E5C443

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831F33

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

Preview Lab → · Contrast checker → · Palette generator →