#B31F56#B31F56

#B31F56 is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.7% C 0.184 H 5.4°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B31F56
RGB	rgb(179, 31, 86)
HSL	hsl(338, 70%, 41%)
HSV	hsv(338, 83%, 70%)
CMYK	cmyk(0%, 82.7%, 52%, 29.8%)
CIE-LAB	lab(39.98, 59.83, 6.65)
CIE-LCH	lch(39.98, 60.20, 6.34°)
OKLab	oklab(50.65% 0.1831 0.0174)
OKLCH	oklch(50.65% 0.184 5.4)
XYZ	xyz(20.7620, 11.2386, 9.8783)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31F56 #1FB37C

analogous

#B31FA0 #B31F56 #B3321F

triadic

#B31F56 #56B31F #1F56B3

tetradic

#B31F56 #A0B31F #1FB37C #321FB3

square

#B31F56 #A0B31F #1FB37C #321FB3

split-complementary

#B31F56 #1FB332 #1FA0B3

monochromatic

#4B0D24 #7F163D #B31F56 #DC3372 #E56896

Accessibility & contrast

On white

6.47

#B31F56 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B31F56 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31F56

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31F56	#FFFFFF	#000000	##FFFFFF
##B31F56	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484C57

Deuteranopia (green-blind)

#6E6952

Tritanopia (blue-blind)

#C30038

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31f56;
/* rgb */ color: rgb(179, 31, 86);
/* oklch */ color: oklch(50.7% 0.184 5.4);

Tailwind

colors: {
  custom: {
    50: '#d06c85',
    500: '#b31f56',
    950: '#000000',
  },
}

SCSS

$custom: #b31f56;
$custom-light: #d06c85;
$custom-dark: #000000;

JSON

{
  "hex": "#b31f56",
  "rgb": {
    "r": 179,
    "g": 31,
    "b": 86
  },
  "hsl": {
    "h": 337.703,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50651,
    "c": 0.18387,
    "h": 5.4
  },
  "luminance": 0.11236
}

Semantic roles & 50–950 ramp

primary

#B31F56

secondary

#64CAA4

accent

#EDAB3B

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31F56

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

Preview Lab → · Contrast checker → · Palette generator →