#B31C5B#B31C5B

#B31C5B is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.6% C 0.187 H 2.8°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#B31C5B
RGB	rgb(179, 28, 91)
HSL	hsl(335, 73%, 41%)
HSV	hsv(335, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 49.2%, 29.8%)
CIE-LAB	lab(39.87, 60.95, 3.32)
CIE-LCH	lch(39.87, 61.04, 3.11°)
OKLab	oklab(50.62% 0.1872 0.0091)
OKLCH	oklch(50.62% 0.187 2.8)
XYZ	xyz(20.8958, 11.1725, 10.9517)
Luminance	0.1117 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C5B #1CB374

analogous

#B31CA6 #B31C5B #B3281C

triadic

#B31C5B #5BB31C #1C5BB3

tetradic

#B31C5B #A6B31C #1CB374 #281CB3

square

#B31C5B #A6B31C #1CB374 #281CB3

split-complementary

#B31C5B #1CB328 #1CA6B3

monochromatic

#490B25 #7E1440 #B31C5B #DE2E77 #E7639A

Accessibility & contrast

On white

6.49

#B31C5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B31C5B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C5B

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C5B	#FFFFFF	#000000	##FFFFFF
##B31C5B	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5C

Deuteranopia (green-blind)

#6D6858

Tritanopia (blue-blind)

#C3003A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31c5b;
/* rgb */ color: rgb(179, 28, 91);
/* oklch */ color: oklch(50.6% 0.187 2.8);

Tailwind

colors: {
  custom: {
    50: '#d06c89',
    500: '#b31c5b',
    950: '#000000',
  },
}

SCSS

$custom: #b31c5b;
$custom-light: #d06c89;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c5b",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 91
  },
  "hsl": {
    "h": 334.967,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50616,
    "c": 0.18737,
    "h": 2.8
  },
  "luminance": 0.1117
}

Semantic roles & 50–950 ramp

primary

#B31C5B

secondary

#5FCB9E

accent

#F0A338

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31C5B

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

Preview Lab → · Contrast checker → · Palette generator →