#B31D5F#B31D5F

#B31D5F is a mid, vivid pink. Relative luminance 0.113; OKLCH L 50.8% C 0.188 H 1.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B31D5F
RGB	rgb(179, 29, 95)
HSL	hsl(334, 72%, 41%)
HSV	hsv(334, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 46.9%, 29.8%)
CIE-LAB	lab(40.07, 61.07, 1.06)
CIE-LCH	lch(40.07, 61.08, 1.00°)
OKLab	oklab(50.8% 0.1878 0.0034)
OKLCH	oklch(50.8% 0.188 1)
XYZ	xyz(21.0971, 11.2916, 11.8928)
Luminance	0.1129 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D5F #1DB371

analogous

#B31DAA #B31D5F #B3261D

triadic

#B31D5F #5FB31D #1D5FB3

tetradic

#B31D5F #AAB31D #1DB371 #261DB3

square

#B31D5F #AAB31D #1DB371 #261DB3

split-complementary

#B31D5F #1DB326 #1DAAB3

monochromatic

#4A0C27 #7E1443 #B31D5F #DD307C #E6649D

Accessibility & contrast

On white

6.45

#B31D5F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B31D5F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D5F

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D5F	#FFFFFF	#000000	##FFFFFF
##B31D5F	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444C60

Deuteranopia (green-blind)

#6C695C

Tritanopia (blue-blind)

#C3003C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31d5f;
/* rgb */ color: rgb(179, 29, 95);
/* oklch */ color: oklch(50.8% 0.188 1.0);

Tailwind

colors: {
  custom: {
    50: '#d06c8c',
    500: '#b31d5f',
    950: '#000000',
  },
}

SCSS

$custom: #b31d5f;
$custom-light: #d06c8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d5f",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 95
  },
  "hsl": {
    "h": 333.6,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50799,
    "c": 0.18781,
    "h": 1
  },
  "luminance": 0.11289
}

Semantic roles & 50–950 ramp

primary

#B31D5F

secondary

#61CB9C

accent

#EF9F39

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31D5F

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

Preview Lab → · Contrast checker → · Palette generator →