#B31B5C#B31B5C

#B31B5C is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.6% C 0.188 H 2.2°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#B31B5C
RGB	rgb(179, 27, 92)
HSL	hsl(334, 74%, 40%)
HSV	hsv(334, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 48.6%, 29.8%)
CIE-LAB	lab(39.82, 61.26, 2.61)
CIE-LCH	lch(39.82, 61.32, 2.44°)
OKLab	oklab(50.59% 0.1882 0.0073)
OKLCH	oklch(50.59% 0.188 2.2)
XYZ	xyz(20.9160, 11.1432, 11.1726)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31B5C #1BB372

analogous

#B31BA8 #B31B5C #B3261B

triadic

#B31B5C #5CB31B #1B5CB3

tetradic

#B31B5C #A8B31B #1BB372 #261BB3

square

#B31B5C #A8B31B #1BB372 #261BB3

split-complementary

#B31B5C #1BB326 #1BA8B3

monochromatic

#490B25 #7E1341 #B31B5C #DF2C79 #E7619B

Accessibility & contrast

On white

6.51

#B31B5C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B31B5C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31B5C

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31B5C	#FFFFFF	#000000	##FFFFFF
##B31B5C	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444B5D

Deuteranopia (green-blind)

#6C6859

Tritanopia (blue-blind)

#C3003A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31b5c;
/* rgb */ color: rgb(179, 27, 92);
/* oklch */ color: oklch(50.6% 0.188 2.2);

Tailwind

colors: {
  custom: {
    50: '#d06b89',
    500: '#b31b5c',
    950: '#000000',
  },
}

SCSS

$custom: #b31b5c;
$custom-light: #d06b89;
$custom-dark: #000000;

JSON

{
  "hex": "#b31b5c",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 92
  },
  "hsl": {
    "h": 334.342,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50589,
    "c": 0.18836,
    "h": 2.2
  },
  "luminance": 0.1114
}

Semantic roles & 50–950 ramp

primary

#B31B5C

secondary

#5ECC9D

accent

#F0A137

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31B5C

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

Preview Lab → · Contrast checker → · Palette generator →