#B31D64#B31D64

#B31D64 is a mid, vivid pink. Relative luminance 0.114; OKLCH L 51.0% C 0.189 H 358.7°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#B31D64
RGB	rgb(179, 29, 100)
HSL	hsl(332, 72%, 41%)
HSV	hsv(332, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 44.1%, 29.8%)
CIE-LAB	lab(40.22, 61.52, -1.87)
CIE-LCH	lch(40.22, 61.55, 358.26°)
OKLab	oklab(50.96% 0.1894 -0.0042)
OKLCH	oklch(50.96% 0.189 358.7)
XYZ	xyz(21.3317, 11.3854, 13.1284)
Luminance	0.1138 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D64 #1DB36C

analogous

#B31DAF #B31D64 #B3211D

triadic

#B31D64 #64B31D #1D64B3

tetradic

#B31D64 #AFB31D #1DB36C #211DB3

square

#B31D64 #AFB31D #1DB36C #211DB3

split-complementary

#B31D64 #1DB321 #1DAFB3

monochromatic

#4A0C29 #7E1447 #B31D64 #DD3082 #E664A2

Accessibility & contrast

On white

6.41

#B31D64 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#B31D64 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D64

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D64	#FFFFFF	#000000	##FFFFFF
##B31D64	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D66

Deuteranopia (green-blind)

#6B6961

Tritanopia (blue-blind)

#C2003F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b31d64;
/* rgb */ color: rgb(179, 29, 100);
/* oklch */ color: oklch(51.0% 0.189 358.7);

Tailwind

colors: {
  custom: {
    50: '#d06c90',
    500: '#b31d64',
    950: '#000000',
  },
}

SCSS

$custom: #b31d64;
$custom-light: #d06c90;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d64",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 100
  },
  "hsl": {
    "h": 331.6,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50962,
    "c": 0.18947,
    "h": 358.7
  },
  "luminance": 0.11383
}

Semantic roles & 50–950 ramp

primary

#B31D64

secondary

#61CB99

accent

#EF9939

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31D64

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

Preview Lab → · Contrast checker → · Palette generator →