#B31B5E#B31B5E

#B31B5E is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.7% C 0.189 H 1.3°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#B31B5E
RGB	rgb(179, 27, 94)
HSL	hsl(334, 74%, 40%)
HSV	hsv(334, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 47.5%, 29.8%)
CIE-LAB	lab(39.88, 61.43, 1.43)
CIE-LCH	lch(39.88, 61.45, 1.33°)
OKLab	oklab(50.65% 0.1889 0.0043)
OKLCH	oklch(50.65% 0.189 1.3)
XYZ	xyz(21.0045, 11.1787, 11.6392)
Luminance	0.1118 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31B5E #1BB370

analogous

#B31BAA #B31B5E #B3241B

triadic

#B31B5E #5EB31B #1B5EB3

tetradic

#B31B5E #AAB31B #1BB370 #241BB3

square

#B31B5E #AAB31B #1BB370 #241BB3

split-complementary

#B31B5E #1BB324 #1BAAB3

monochromatic

#490B26 #7E1342 #B31B5E #DF2C7B #E7619C

Accessibility & contrast

On white

6.49

#B31B5E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B31B5E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31B5E

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31B5E	#FFFFFF	#000000	##FFFFFF
##B31B5E	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444C5F

Deuteranopia (green-blind)

#6C685B

Tritanopia (blue-blind)

#C3003B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31b5e;
/* rgb */ color: rgb(179, 27, 94);
/* oklch */ color: oklch(50.7% 0.189 1.3);

Tailwind

colors: {
  custom: {
    50: '#d06b8b',
    500: '#b31b5e',
    950: '#000000',
  },
}

SCSS

$custom: #b31b5e;
$custom-light: #d06b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#b31b5e",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 94
  },
  "hsl": {
    "h": 333.553,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50652,
    "c": 0.18895,
    "h": 1.3
  },
  "luminance": 0.11176
}

Semantic roles & 50–950 ramp

primary

#B31B5E

secondary

#5ECC9B

accent

#F09F37

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31B5E

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

Preview Lab → · Contrast checker → · Palette generator →