#B31A57#B31A57

#B31A57 is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.4% C 0.188 H 4.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B31A57
RGB	rgb(179, 26, 87)
HSL	hsl(336, 75%, 40%)
HSV	hsv(336, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 51.4%, 29.8%)
CIE-LAB	lab(39.60, 61.07, 5.48)
CIE-LCH	lch(39.60, 61.31, 5.13°)
OKLab	oklab(50.38% 0.1872 0.0145)
OKLCH	oklch(50.38% 0.188 4.4)
XYZ	xyz(20.6820, 11.0136, 10.0518)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A57 #1AB376

analogous

#B31AA4 #B31A57 #B3291A

triadic

#B31A57 #57B31A #1A57B3

tetradic

#B31A57 #A4B31A #1AB376 #291AB3

square

#B31A57 #A4B31A #1AB376 #291AB3

split-complementary

#B31A57 #1AB329 #1AA4B3

monochromatic

#480A23 #7E123D #B31A57 #E02A73 #E86096

Accessibility & contrast

On white

6.56

#B31A57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B31A57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A57

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A57	#FFFFFF	#000000	##FFFFFF
##B31A57	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454A58

Deuteranopia (green-blind)

#6D6853

Tritanopia (blue-blind)

#C30037

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a57;
/* rgb */ color: rgb(179, 26, 87);
/* oklch */ color: oklch(50.4% 0.188 4.4);

Tailwind

colors: {
  custom: {
    50: '#d06b86',
    500: '#b31a57',
    950: '#000000',
  },
}

SCSS

$custom: #b31a57;
$custom-light: #d06b86;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a57",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 87
  },
  "hsl": {
    "h": 336.078,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50384,
    "c": 0.18771,
    "h": 4.4
  },
  "luminance": 0.11011
}

Semantic roles & 50–950 ramp

primary

#B31A57

secondary

#5DCCA0

accent

#F1A737

background

#FDF6F8

surface

#FBECEF

border

#D4C7CA

text

#15080B

muted

#837A7C

Preview Lab

Preview with #B31A57

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

Preview Lab → · Contrast checker → · Palette generator →