#B31C48#B31C48

#B31C48 is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.1% C 0.184 H 11.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#B31C48
RGB	rgb(179, 28, 72)
HSL	hsl(343, 73%, 41%)
HSV	hsv(343, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 59.8%, 29.8%)
CIE-LAB	lab(39.39, 59.54, 14.74)
CIE-LCH	lch(39.39, 61.33, 13.90°)
OKLab	oklab(50.1% 0.18 0.0365)
OKLCH	oklch(50.1% 0.184 11.5)
XYZ	xyz(20.1775, 10.8852, 7.1682)
Luminance	0.1088 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C48 #1CB387

analogous

#B31C93 #B31C48 #B33C1C

triadic

#B31C48 #48B31C #1C48B3

tetradic

#B31C48 #93B31C #1CB387 #3C1CB3

square

#B31C48 #93B31C #1CB387 #3C1CB3

split-complementary

#B31C48 #1CB33C #1C93B3

monochromatic

#490B1D #7E1433 #B31C48 #DE2E61 #E76389

Accessibility & contrast

On white

6.61

#B31C48 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B31C48 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C48

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C48	#FFFFFF	#000000	##FFFFFF
##B31C48	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4949

Deuteranopia (green-blind)

#706844

Tritanopia (blue-blind)

#C40030

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c48;
/* rgb */ color: rgb(179, 28, 72);
/* oklch */ color: oklch(50.1% 0.184 11.5);

Tailwind

colors: {
  custom: {
    50: '#d16b7a',
    500: '#b31c48',
    950: '#000000',
  },
}

SCSS

$custom: #b31c48;
$custom-light: #d16b7a;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c48",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 72
  },
  "hsl": {
    "h": 342.517,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50104,
    "c": 0.18369,
    "h": 11.5
  },
  "luminance": 0.10882
}

Semantic roles & 50–950 ramp

primary

#B31C48

secondary

#5FCBAC

accent

#F0BA38

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150809

muted

#837A7B

Preview Lab

Preview with #B31C48

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

Preview Lab → · Contrast checker → · Palette generator →