#B31C56#B31C56

#B31C56 is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.5% C 0.186 H 5.1°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#B31C56
RGB	rgb(179, 28, 86)
HSL	hsl(337, 73%, 41%)
HSV	hsv(337, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 52%, 29.8%)
CIE-LAB	lab(39.73, 60.55, 6.29)
CIE-LCH	lch(39.73, 60.87, 5.93°)
OKLab	oklab(50.47% 0.1854 0.0165)
OKLCH	oklch(50.47% 0.186 5.1)
XYZ	xyz(20.6873, 11.0891, 9.8534)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C56 #1CB379

analogous

#B31CA1 #B31C56 #B32E1C

triadic

#B31C56 #56B31C #1C56B3

tetradic

#B31C56 #A1B31C #1CB379 #2E1CB3

square

#B31C56 #A1B31C #1CB379 #2E1CB3

split-complementary

#B31C56 #1CB32E #1CA1B3

monochromatic

#490B23 #7E143D #B31C56 #DE2E72 #E76395

Accessibility & contrast

On white

6.53

#B31C56 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B31C56 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C56

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C56	#FFFFFF	#000000	##FFFFFF
##B31C56	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B57

Deuteranopia (green-blind)

#6D6852

Tritanopia (blue-blind)

#C30037

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31c56;
/* rgb */ color: rgb(179, 28, 86);
/* oklch */ color: oklch(50.5% 0.186 5.1);

Tailwind

colors: {
  custom: {
    50: '#d06b85',
    500: '#b31c56',
    950: '#000000',
  },
}

SCSS

$custom: #b31c56;
$custom-light: #d06b85;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c56",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 86
  },
  "hsl": {
    "h": 336.954,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50468,
    "c": 0.18609,
    "h": 5.1
  },
  "luminance": 0.11086
}

Semantic roles & 50–950 ramp

primary

#B31C56

secondary

#5FCBA2

accent

#F0A938

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31C56

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

Preview Lab → · Contrast checker → · Palette generator →