#B31C51#B31C51

#B31C51 is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.3% C 0.185 H 7.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B31C51
RGB	rgb(179, 28, 81)
HSL	hsl(339, 73%, 41%)
HSV	hsv(339, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 54.7%, 29.8%)
CIE-LAB	lab(39.60, 60.17, 9.29)
CIE-LCH	lch(39.60, 60.88, 8.78°)
OKLab	oklab(50.33% 0.1835 0.0238)
OKLCH	oklch(50.33% 0.185 7.4)
XYZ	xyz(20.4929, 11.0113, 8.8293)
Luminance	0.1101 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C51 #1CB37E

analogous

#B31C9D #B31C51 #B3321C

triadic

#B31C51 #51B31C #1C51B3

tetradic

#B31C51 #9DB31C #1CB37E #321CB3

square

#B31C51 #9DB31C #1CB37E #321CB3

split-complementary

#B31C51 #1CB332 #1C9DB3

monochromatic

#490B21 #7E1439 #B31C51 #DE2E6C #E76391

Accessibility & contrast

On white

6.56

#B31C51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B31C51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C51

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C51	#FFFFFF	#000000	##FFFFFF
##B31C51	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484A52

Deuteranopia (green-blind)

#6E684D

Tritanopia (blue-blind)

#C40035

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c51;
/* rgb */ color: rgb(179, 28, 81);
/* oklch */ color: oklch(50.3% 0.185 7.4);

Tailwind

colors: {
  custom: {
    50: '#d16b81',
    500: '#b31c51',
    950: '#000000',
  },
}

SCSS

$custom: #b31c51;
$custom-light: #d16b81;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c51",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 81
  },
  "hsl": {
    "h": 338.94,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5033,
    "c": 0.18504,
    "h": 7.4
  },
  "luminance": 0.11008
}

Semantic roles & 50–950 ramp

primary

#B31C51

secondary

#5FCBA5

accent

#F0AF38

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31C51

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

Preview Lab → · Contrast checker → · Palette generator →