#B31C5A#B31C5A

#B31C5A is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.6% C 0.187 H 3.2°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#B31C5A
RGB	rgb(179, 28, 90)
HSL	hsl(335, 73%, 41%)
HSV	hsv(335, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 49.7%, 29.8%)
CIE-LAB	lab(39.84, 60.87, 3.91)
CIE-LCH	lch(39.84, 61.00, 3.67°)
OKLab	oklab(50.59% 0.1868 0.0106)
OKLCH	oklch(50.59% 0.187 3.2)
XYZ	xyz(20.8530, 11.1554, 10.7260)
Luminance	0.1115 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C5A #1CB375

analogous

#B31CA5 #B31C5A #B3291C

triadic

#B31C5A #5AB31C #1C5AB3

tetradic

#B31C5A #A5B31C #1CB375 #291CB3

square

#B31C5A #A5B31C #1CB375 #291CB3

split-complementary

#B31C5A #1CB329 #1CA5B3

monochromatic

#490B25 #7E143F #B31C5A #DE2E76 #E76399

Accessibility & contrast

On white

6.50

#B31C5A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B31C5A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C5A

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C5A	#FFFFFF	#000000	##FFFFFF
##B31C5A	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5B

Deuteranopia (green-blind)

#6D6857

Tritanopia (blue-blind)

#C30039

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31c5a;
/* rgb */ color: rgb(179, 28, 90);
/* oklch */ color: oklch(50.6% 0.187 3.2);

Tailwind

colors: {
  custom: {
    50: '#d06c88',
    500: '#b31c5a',
    950: '#000000',
  },
}

SCSS

$custom: #b31c5a;
$custom-light: #d06c88;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c5a",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 90
  },
  "hsl": {
    "h": 335.364,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50585,
    "c": 0.18709,
    "h": 3.2
  },
  "luminance": 0.11152
}

Semantic roles & 50–950 ramp

primary

#B31C5A

secondary

#5FCB9F

accent

#F0A438

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31C5A

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

Preview Lab → · Contrast checker → · Palette generator →