#B31A64#B31A64

#B31A64 is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.8% C 0.192 H 358.5°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#B31A64
RGB	rgb(179, 26, 100)
HSL	hsl(331, 75%, 40%)
HSV	hsv(331, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 44.1%, 29.8%)
CIE-LAB	lab(39.99, 62.18, -2.21)
CIE-LCH	lch(39.99, 62.22, 357.96°)
OKLab	oklab(50.79% 0.1916 -0.005)
OKLCH	oklch(50.79% 0.192 358.5)
XYZ	xyz(21.2618, 11.2455, 13.1051)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A64 #1AB369

analogous

#B31AB1 #B31A64 #B31C1A

triadic

#B31A64 #64B31A #1A64B3

tetradic

#B31A64 #B1B31A #1AB369 #1C1AB3

square

#B31A64 #B1B31A #1AB369 #1C1AB3

split-complementary

#B31A64 #1AB31C #1AB1B3

monochromatic

#480A28 #7E1246 #B31A64 #E02A82 #E860A1

Accessibility & contrast

On white

6.46

#B31A64 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B31A64 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A64

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A64	#FFFFFF	#000000	##FFFFFF
##B31A64	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414C66

Deuteranopia (green-blind)

#6A6861

Tritanopia (blue-blind)

#C2003E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31a64;
/* rgb */ color: rgb(179, 26, 100);
/* oklch */ color: oklch(50.8% 0.192 358.5);

Tailwind

colors: {
  custom: {
    50: '#d06b90',
    500: '#b31a64',
    950: '#000000',
  },
}

SCSS

$custom: #b31a64;
$custom-light: #d06b90;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a64",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 100
  },
  "hsl": {
    "h": 330.98,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50794,
    "c": 0.19163,
    "h": 358.5
  },
  "luminance": 0.11243
}

Semantic roles & 50–950 ramp

primary

#B31A64

secondary

#5DCC96

accent

#F19737

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31A64

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

Preview Lab → · Contrast checker → · Palette generator →