#B31A63#B31A63

#B31A63 is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.8% C 0.191 H 358.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B31A63
RGB	rgb(179, 26, 99)
HSL	hsl(331, 75%, 40%)
HSV	hsv(331, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 44.7%, 29.8%)
CIE-LAB	lab(39.96, 62.09, -1.63)
CIE-LCH	lch(39.96, 62.11, 358.50°)
OKLab	oklab(50.76% 0.1912 -0.0035)
OKLCH	oklch(50.76% 0.191 358.9)
XYZ	xyz(21.2137, 11.2263, 12.8518)
Luminance	0.1122 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A63 #1AB36A

analogous

#B31AAF #B31A63 #B31E1A

triadic

#B31A63 #63B31A #1A63B3

tetradic

#B31A63 #AFB31A #1AB36A #1E1AB3

square

#B31A63 #AFB31A #1AB36A #1E1AB3

split-complementary

#B31A63 #1AB31E #1AAFB3

monochromatic

#480A28 #7E1245 #B31A63 #E02A81 #E860A1

Accessibility & contrast

On white

6.47

#B31A63 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B31A63 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A63

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A63	#FFFFFF	#000000	##FFFFFF
##B31A63	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424C65

Deuteranopia (green-blind)

#6B6860

Tritanopia (blue-blind)

#C3003D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31a63;
/* rgb */ color: rgb(179, 26, 99);
/* oklch */ color: oklch(50.8% 0.191 358.9);

Tailwind

colors: {
  custom: {
    50: '#d06b8f',
    500: '#b31a63',
    950: '#000000',
  },
}

SCSS

$custom: #b31a63;
$custom-light: #d06b8f;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a63",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 99
  },
  "hsl": {
    "h": 331.373,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5076,
    "c": 0.19127,
    "h": 358.9
  },
  "luminance": 0.11223
}

Semantic roles & 50–950 ramp

primary

#B31A63

secondary

#5DCC97

accent

#F19837

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31A63

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

Preview Lab → · Contrast checker → · Palette generator →