#B31C59#B31C59

#B31C59 is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.6% C 0.187 H 3.7°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#B31C59
RGB	rgb(179, 28, 89)
HSL	hsl(336, 73%, 41%)
HSV	hsv(336, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 50.3%, 29.8%)
CIE-LAB	lab(39.81, 60.79, 4.50)
CIE-LCH	lch(39.81, 60.95, 4.24°)
OKLab	oklab(50.56% 0.1864 0.0121)
OKLCH	oklch(50.56% 0.187 3.7)
XYZ	xyz(20.8107, 11.1385, 10.5034)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C59 #1CB376

analogous

#B31CA4 #B31C59 #B32B1C

triadic

#B31C59 #59B31C #1C59B3

tetradic

#B31C59 #A4B31C #1CB376 #2B1CB3

square

#B31C59 #A4B31C #1CB376 #2B1CB3

split-complementary

#B31C59 #1CB32B #1CA4B3

monochromatic

#490B24 #7E143F #B31C59 #DE2E75 #E76398

Accessibility & contrast

On white

6.51

#B31C59 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B31C59 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C59

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C59	#FFFFFF	#000000	##FFFFFF
##B31C59	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B5A

Deuteranopia (green-blind)

#6D6856

Tritanopia (blue-blind)

#C30039

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31c59;
/* rgb */ color: rgb(179, 28, 89);
/* oklch */ color: oklch(50.6% 0.187 3.7);

Tailwind

colors: {
  custom: {
    50: '#d06c87',
    500: '#b31c59',
    950: '#000000',
  },
}

SCSS

$custom: #b31c59;
$custom-light: #d06c87;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c59",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 89
  },
  "hsl": {
    "h": 335.762,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50555,
    "c": 0.18683,
    "h": 3.7
  },
  "luminance": 0.11135
}

Semantic roles & 50–950 ramp

primary

#B31C59

secondary

#5FCBA0

accent

#F0A638

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31C59

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

Preview Lab → · Contrast checker → · Palette generator →