#B31D66#B31D66

#B31D66 is a mid, vivid pink. Relative luminance 0.114; OKLCH L 51.0% C 0.190 H 357.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#B31D66
RGB	rgb(179, 29, 102)
HSL	hsl(331, 72%, 41%)
HSV	hsv(331, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 43%, 29.8%)
CIE-LAB	lab(40.29, 61.70, -3.04)
CIE-LCH	lch(40.29, 61.78, 357.18°)
OKLab	oklab(51.03% 0.1901 -0.0072)
OKLCH	oklch(51.03% 0.19 357.8)
XYZ	xyz(21.4297, 11.4246, 13.6445)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D66 #1DB36A

analogous

#B31DB1 #B31D66 #B31F1D

triadic

#B31D66 #66B31D #1D66B3

tetradic

#B31D66 #B1B31D #1DB36A #1F1DB3

square

#B31D66 #B1B31D #1DB36A #1F1DB3

split-complementary

#B31D66 #1DB31F #1DB1B3

monochromatic

#4A0C2A #7E1448 #B31D66 #DD3084 #E664A3

Accessibility & contrast

On white

6.39

#B31D66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B31D66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D66

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D66	#FFFFFF	#000000	##FFFFFF
##B31D66	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424D68

Deuteranopia (green-blind)

#6B6963

Tritanopia (blue-blind)

#C20040

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b31d66;
/* rgb */ color: rgb(179, 29, 102);
/* oklch */ color: oklch(51.0% 0.190 357.8);

Tailwind

colors: {
  custom: {
    50: '#cf6c91',
    500: '#b31d66',
    950: '#000000',
  },
}

SCSS

$custom: #b31d66;
$custom-light: #cf6c91;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d66",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 330.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.5103,
    "c": 0.19019,
    "h": 357.8
  },
  "luminance": 0.11422
}

Semantic roles & 50–950 ramp

primary

#B31D66

secondary

#61CB97

accent

#EF9639

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31D66

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

Preview Lab → · Contrast checker → · Palette generator →