#B31D5B#B31D5B

#B31D5B is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.7% C 0.187 H 2.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B31D5B
RGB	rgb(179, 29, 91)
HSL	hsl(335, 72%, 41%)
HSV	hsv(335, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 49.2%, 29.8%)
CIE-LAB	lab(39.95, 60.72, 3.43)
CIE-LCH	lch(39.95, 60.82, 3.23°)
OKLab	oklab(50.67% 0.1864 0.0094)
OKLCH	oklch(50.67% 0.187 2.9)
XYZ	xyz(20.9200, 11.2207, 10.9597)
Luminance	0.1122 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D5B #1DB375

analogous

#B31DA6 #B31D5B #B32A1D

triadic

#B31D5B #5BB31D #1D5BB3

tetradic

#B31D5B #A6B31D #1DB375 #2A1DB3

square

#B31D5B #A6B31D #1DB375 #2A1DB3

split-complementary

#B31D5B #1DB32A #1DA6B3

monochromatic

#4A0C25 #7E1440 #B31D5B #DD3078 #E6649A

Accessibility & contrast

On white

6.47

#B31D5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B31D5B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D5B

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D5B	#FFFFFF	#000000	##FFFFFF
##B31D5B	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454C5C

Deuteranopia (green-blind)

#6D6858

Tritanopia (blue-blind)

#C3003A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31d5b;
/* rgb */ color: rgb(179, 29, 91);
/* oklch */ color: oklch(50.7% 0.187 2.9);

Tailwind

colors: {
  custom: {
    50: '#d06c89',
    500: '#b31d5b',
    950: '#000000',
  },
}

SCSS

$custom: #b31d5b;
$custom-light: #d06c89;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d5b",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 335.2,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50674,
    "c": 0.18664,
    "h": 2.9
  },
  "luminance": 0.11218
}

Semantic roles & 50–950 ramp

primary

#B31D5B

secondary

#61CB9F

accent

#EFA439

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31D5B

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

Preview Lab → · Contrast checker → · Palette generator →