#831B37#831B37

#831B37 is a dark, vivid pink. Relative luminance 0.059; OKLCH L 40.7% C 0.139 H 10.7°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#831B37
RGB	rgb(131, 27, 55)
HSL	hsl(344, 66%, 31%)
HSV	hsv(344, 79%, 51%)
CMYK	cmyk(0%, 79.4%, 58%, 48.6%)
CIE-LAB	lab(29.12, 44.97, 10.22)
CIE-LCH	lch(29.12, 46.12, 12.81°)
OKLab	oklab(40.68% 0.1363 0.0257)
OKLCH	oklch(40.68% 0.139 10.7)
XYZ	xyz(10.4426, 5.8865, 4.2000)
Luminance	0.0588 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831B37 #1B8367

analogous

#831B6B #831B37 #83331B

triadic

#831B37 #37831B #1B3783

tetradic

#831B37 #6B831B #1B8367 #331B83

square

#831B37 #6B831B #1B8367 #331B83

split-complementary

#831B37 #1B8333 #1B6B83

monochromatic

#1E060C #501122 #831B37 #B6254C #D84169

Accessibility & contrast

On white

9.65

#831B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#831B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831B37

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831B37	#FFFFFF	#000000	##FFFFFF
##831B37	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373737

Deuteranopia (green-blind)

#524C34

Tritanopia (blue-blind)

#900027

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831b37;
/* rgb */ color: rgb(131, 27, 55);
/* oklch */ color: oklch(40.7% 0.139 10.7);

Tailwind

colors: {
  custom: {
    50: '#ad626d',
    500: '#831b37',
    950: '#000000',
  },
}

SCSS

$custom: #831b37;
$custom-light: #ad626d;
$custom-dark: #000000;

JSON

{
  "hex": "#831b37",
  "rgb": {
    "r": 131,
    "g": 27,
    "b": 55
  },
  "hsl": {
    "h": 343.846,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40677,
    "c": 0.13867,
    "h": 10.7
  },
  "luminance": 0.05885
}

Semantic roles & 50–950 ramp

primary

#831B37

secondary

#43B697

accent

#E9BB3F

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110607

muted

#807A7A

Preview Lab

Preview with #831B37

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

Preview Lab → · Contrast checker → · Palette generator →