#B31D57#B31D57

#B31D57 is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.6% C 0.186 H 4.7°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#B31D57
RGB	rgb(179, 29, 87)
HSL	hsl(337, 72%, 41%)
HSV	hsv(337, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 51.4%, 29.8%)
CIE-LAB	lab(39.84, 60.40, 5.81)
CIE-LCH	lch(39.84, 60.68, 5.50°)
OKLab	oklab(50.56% 0.185 0.0153)
OKLCH	oklch(50.56% 0.186 4.7)
XYZ	xyz(20.7520, 11.1535, 10.0751)
Luminance	0.1115 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D57 #1DB379

analogous

#B31DA2 #B31D57 #B32E1D

triadic

#B31D57 #57B31D #1D57B3

tetradic

#B31D57 #A2B31D #1DB379 #2E1DB3

square

#B31D57 #A2B31D #1DB379 #2E1DB3

split-complementary

#B31D57 #1DB32E #1DA2B3

monochromatic

#4A0C24 #7E143D #B31D57 #DD3073 #E66497

Accessibility & contrast

On white

6.50

#B31D57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B31D57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D57

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D57	#FFFFFF	#000000	##FFFFFF
##B31D57	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B58

Deuteranopia (green-blind)

#6E6853

Tritanopia (blue-blind)

#C30038

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31d57;
/* rgb */ color: rgb(179, 29, 87);
/* oklch */ color: oklch(50.6% 0.186 4.7);

Tailwind

colors: {
  custom: {
    50: '#d06c86',
    500: '#b31d57',
    950: '#000000',
  },
}

SCSS

$custom: #b31d57;
$custom-light: #d06c86;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d57",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 87
  },
  "hsl": {
    "h": 336.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50556,
    "c": 0.1856,
    "h": 4.7
  },
  "luminance": 0.11151
}

Semantic roles & 50–950 ramp

primary

#B31D57

secondary

#61CBA2

accent

#EFA939

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31D57

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

Preview Lab → · Contrast checker → · Palette generator →