#B31F63#B31F63

#B31F63 is a mid, vivid pink. Relative luminance 0.115; OKLCH L 51.0% C 0.188 H 359.4°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#B31F63
RGB	rgb(179, 31, 99)
HSL	hsl(332, 70%, 41%)
HSV	hsv(332, 83%, 70%)
CMYK	cmyk(0%, 82.7%, 44.7%, 29.8%)
CIE-LAB	lab(40.36, 60.95, -1.04)
CIE-LCH	lch(40.36, 60.96, 359.02°)
OKLab	oklab(51.05% 0.1876 -0.002)
OKLCH	oklch(51.05% 0.188 359.4)
XYZ	xyz(21.3343, 11.4674, 12.8920)
Luminance	0.1147 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31F63 #1FB36F

analogous

#B31FAD #B31F63 #B3251F

triadic

#B31F63 #63B31F #1F63B3

tetradic

#B31F63 #ADB31F #1FB36F #251FB3

square

#B31F63 #ADB31F #1FB36F #251FB3

split-complementary

#B31F63 #1FB325 #1FADB3

monochromatic

#4B0D29 #7F1646 #B31F63 #DC3381 #E568A1

Accessibility & contrast

On white

6.38

#B31F63 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#B31F63 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31F63

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31F63	#FFFFFF	#000000	##FFFFFF
##B31F63	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444D65

Deuteranopia (green-blind)

#6C6960

Tritanopia (blue-blind)

#C3003F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b31f63;
/* rgb */ color: rgb(179, 31, 99);
/* oklch */ color: oklch(51.0% 0.188 359.4);

Tailwind

colors: {
  custom: {
    50: '#d06d8f',
    500: '#b31f63',
    950: '#000000',
  },
}

SCSS

$custom: #b31f63;
$custom-light: #d06d8f;
$custom-dark: #000000;

JSON

{
  "hex": "#b31f63",
  "rgb": {
    "r": 179,
    "g": 31,
    "b": 99
  },
  "hsl": {
    "h": 332.432,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5105,
    "c": 0.18757,
    "h": 359.4
  },
  "luminance": 0.11465
}

Semantic roles & 50–950 ramp

primary

#B31F63

secondary

#64CA9B

accent

#ED9B3B

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31F63

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

Preview Lab → · Contrast checker → · Palette generator →