#B31C47#B31C47

#B31C47 is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.1% C 0.184 H 11.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#B31C47
RGB	rgb(179, 28, 71)
HSL	hsl(343, 73%, 41%)
HSV	hsv(343, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 60.3%, 29.8%)
CIE-LAB	lab(39.36, 59.47, 15.34)
CIE-LCH	lch(39.36, 61.42, 14.47°)
OKLab	oklab(50.08% 0.1796 0.0379)
OKLCH	oklch(50.08% 0.184 11.9)
XYZ	xyz(20.1451, 10.8722, 6.9978)
Luminance	0.1087 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C47 #1CB388

analogous

#B31C92 #B31C47 #B33C1C

triadic

#B31C47 #47B31C #1C47B3

tetradic

#B31C47 #92B31C #1CB388 #3C1CB3

square

#B31C47 #92B31C #1CB388 #3C1CB3

split-complementary

#B31C47 #1CB33C #1C92B3

monochromatic

#490B1D #7E1432 #B31C47 #DE2E60 #E76388

Accessibility & contrast

On white

6.62

#B31C47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B31C47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C47

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C47	#FFFFFF	#000000	##FFFFFF
##B31C47	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4948

Deuteranopia (green-blind)

#706843

Tritanopia (blue-blind)

#C40030

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c47;
/* rgb */ color: rgb(179, 28, 71);
/* oklch */ color: oklch(50.1% 0.184 11.9);

Tailwind

colors: {
  custom: {
    50: '#d16b79',
    500: '#b31c47',
    950: '#000000',
  },
}

SCSS

$custom: #b31c47;
$custom-light: #d16b79;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c47",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 71
  },
  "hsl": {
    "h": 342.914,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50081,
    "c": 0.18359,
    "h": 11.9
  },
  "luminance": 0.10869
}

Semantic roles & 50–950 ramp

primary

#B31C47

secondary

#5FCBAD

accent

#F0BB38

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150809

muted

#837A7B

Preview Lab

Preview with #B31C47

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

Preview Lab → · Contrast checker → · Palette generator →