#B31D51#B31D51

#B31D51 is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.4% C 0.184 H 7.5°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#B31D51
RGB	rgb(179, 29, 81)
HSL	hsl(339, 72%, 41%)
HSV	hsv(339, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 54.7%, 29.8%)
CIE-LAB	lab(39.68, 59.93, 9.41)
CIE-LCH	lch(39.68, 60.67, 8.92°)
OKLab	oklab(50.39% 0.1828 0.0241)
OKLCH	oklch(50.39% 0.184 7.5)
XYZ	xyz(20.5170, 11.0595, 8.8373)
Luminance	0.1106 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D51 #1DB37F

analogous

#B31D9C #B31D51 #B3341D

triadic

#B31D51 #51B31D #1D51B3

tetradic

#B31D51 #9CB31D #1DB37F #341DB3

square

#B31D51 #9CB31D #1DB37F #341DB3

split-complementary

#B31D51 #1DB334 #1D9CB3

monochromatic

#4A0C21 #7E1439 #B31D51 #DD306C #E66491

Accessibility & contrast

On white

6.54

#B31D51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B31D51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D51

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D51	#FFFFFF	#000000	##FFFFFF
##B31D51	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484B52

Deuteranopia (green-blind)

#6E684D

Tritanopia (blue-blind)

#C40035

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31d51;
/* rgb */ color: rgb(179, 29, 81);
/* oklch */ color: oklch(50.4% 0.184 7.5);

Tailwind

colors: {
  custom: {
    50: '#d16c81',
    500: '#b31d51',
    950: '#000000',
  },
}

SCSS

$custom: #b31d51;
$custom-light: #d16c81;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d51",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 81
  },
  "hsl": {
    "h": 339.2,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50389,
    "c": 0.18433,
    "h": 7.5
  },
  "luminance": 0.11057
}

Semantic roles & 50–950 ramp

primary

#B31D51

secondary

#61CBA6

accent

#EFB039

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15080A

muted

#837B7C

Preview Lab

Preview with #B31D51

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

Preview Lab → · Contrast checker → · Palette generator →