#B31A66#B31A66

#B31A66 is a mid, vivid pink. Relative luminance 0.113; OKLCH L 50.9% C 0.192 H 357.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#B31A66
RGB	rgb(179, 26, 102)
HSL	hsl(330, 75%, 40%)
HSV	hsv(330, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 43%, 29.8%)
CIE-LAB	lab(40.06, 62.37, -3.38)
CIE-LCH	lch(40.06, 62.46, 356.90°)
OKLab	oklab(50.86% 0.1922 -0.0081)
OKLCH	oklch(50.86% 0.192 357.6)
XYZ	xyz(21.3598, 11.2847, 13.6212)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A66 #1AB367

analogous

#B31AB2 #B31A66 #B31A1A

triadic

#B31A66 #66B31A #1A66B3

tetradic

#B31A66 #B2B31A #1AB367 #1A1AB3

square

#B31A66 #B2B31A #1AB367 #1A1AB3

split-complementary

#B31A66 #1AB31A #1AB2B3

monochromatic

#480A29 #7E1248 #B31A66 #E02A85 #E860A3

Accessibility & contrast

On white

6.45

#B31A66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B31A66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A66

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A66	#FFFFFF	#000000	##FFFFFF
##B31A66	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414C68

Deuteranopia (green-blind)

#6A6863

Tritanopia (blue-blind)

#C2003F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31a66;
/* rgb */ color: rgb(179, 26, 102);
/* oklch */ color: oklch(50.9% 0.192 357.6);

Tailwind

colors: {
  custom: {
    50: '#d06b91',
    500: '#b31a66',
    950: '#000000',
  },
}

SCSS

$custom: #b31a66;
$custom-light: #d06b91;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a66",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 102
  },
  "hsl": {
    "h": 330.196,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50862,
    "c": 0.19235,
    "h": 357.6
  },
  "luminance": 0.11282
}

Semantic roles & 50–950 ramp

primary

#B31A66

secondary

#5DCC95

accent

#F19537

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31A66

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

Preview Lab → · Contrast checker → · Palette generator →