#831B32#831B32

#831B32 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.6% C 0.138 H 13.8°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#831B32
RGB	rgb(131, 27, 50)
HSL	hsl(347, 66%, 31%)
HSV	hsv(347, 79%, 51%)
CMYK	cmyk(0%, 79.4%, 61.8%, 48.6%)
CIE-LAB	lab(29.01, 44.60, 13.41)
CIE-LCH	lch(29.01, 46.57, 16.73°)
OKLab	oklab(40.55% 0.1342 0.033)
OKLCH	oklch(40.55% 0.138 13.8)
XYZ	xyz(10.3288, 5.8410, 3.6005)
Luminance	0.0584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831B32 #1B836C

analogous

#831B66 #831B32 #83381B

triadic

#831B32 #32831B #1B3283

tetradic

#831B32 #66831B #1B836C #381B83

square

#831B32 #66831B #1B836C #381B83

split-complementary

#831B32 #1B8338 #1B6683

monochromatic

#1E060B #50111F #831B32 #B62545 #D84162

Accessibility & contrast

On white

9.69

#831B32 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#831B32 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831B32

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831B32	#FFFFFF	#000000	##FFFFFF
##831B32	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383732

Deuteranopia (green-blind)

#534C2F

Tritanopia (blue-blind)

#900025

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831b32;
/* rgb */ color: rgb(131, 27, 50);
/* oklch */ color: oklch(40.6% 0.138 13.8);

Tailwind

colors: {
  custom: {
    50: '#ad6269',
    500: '#831b32',
    950: '#000000',
  },
}

SCSS

$custom: #831b32;
$custom-light: #ad6269;
$custom-dark: #000000;

JSON

{
  "hex": "#831b32",
  "rgb": {
    "r": 131,
    "g": 27,
    "b": 50
  },
  "hsl": {
    "h": 346.731,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40553,
    "c": 0.13817,
    "h": 13.8
  },
  "luminance": 0.05839
}

Semantic roles & 50–950 ramp

primary

#831B32

secondary

#43B69D

accent

#E9C33F

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831B32

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

Preview Lab → · Contrast checker → · Palette generator →