#B31C54#B31C54

#B31C54 is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.4% C 0.186 H 6.0°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#B31C54
RGB	rgb(179, 28, 84)
HSL	hsl(338, 73%, 41%)
HSV	hsv(338, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 53.1%, 29.8%)
CIE-LAB	lab(39.68, 60.39, 7.49)
CIE-LCH	lch(39.68, 60.85, 7.07°)
OKLab	oklab(50.41% 0.1846 0.0194)
OKLCH	oklch(50.41% 0.186 6)
XYZ	xyz(20.6079, 11.0573, 9.4349)
Luminance	0.1105 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C54 #1CB37B

analogous

#B31CA0 #B31C54 #B32F1C

triadic

#B31C54 #54B31C #1C54B3

tetradic

#B31C54 #A0B31C #1CB37B #2F1CB3

square

#B31C54 #A0B31C #1CB37B #2F1CB3

split-complementary

#B31C54 #1CB32F #1CA0B3

monochromatic

#490B22 #7E143B #B31C54 #DE2E6F #E76394

Accessibility & contrast

On white

6.54

#B31C54 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B31C54 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C54

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C54	#FFFFFF	#000000	##FFFFFF
##B31C54	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474B55

Deuteranopia (green-blind)

#6E6850

Tritanopia (blue-blind)

#C40036

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31c54;
/* rgb */ color: rgb(179, 28, 84);
/* oklch */ color: oklch(50.4% 0.186 6.0);

Tailwind

colors: {
  custom: {
    50: '#d06b83',
    500: '#b31c54',
    950: '#000000',
  },
}

SCSS

$custom: #b31c54;
$custom-light: #d06b83;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c54",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 84
  },
  "hsl": {
    "h": 337.748,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50412,
    "c": 0.18564,
    "h": 6
  },
  "luminance": 0.11054
}

Semantic roles & 50–950 ramp

primary

#B31C54

secondary

#5FCBA3

accent

#F0AC38

background

#FDF6F8

surface

#FBECEF

border

#D4C7CA

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31C54

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

Preview Lab → · Contrast checker → · Palette generator →