#B31D5A#B31D5A

#B31D5A is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.6% C 0.186 H 3.3°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#B31D5A
RGB	rgb(179, 29, 90)
HSL	hsl(336, 72%, 41%)
HSV	hsv(336, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 49.7%, 29.8%)
CIE-LAB	lab(39.92, 60.64, 4.02)
CIE-LCH	lch(39.92, 60.77, 3.80°)
OKLab	oklab(50.64% 0.1861 0.0109)
OKLCH	oklch(50.64% 0.186 3.3)
XYZ	xyz(20.8771, 11.2036, 10.7341)
Luminance	0.1120 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D5A #1DB376

analogous

#B31DA5 #B31D5A #B32B1D

triadic

#B31D5A #5AB31D #1D5AB3

tetradic

#B31D5A #A5B31D #1DB376 #2B1DB3

square

#B31D5A #A5B31D #1DB376 #2B1DB3

split-complementary

#B31D5A #1DB32B #1DA5B3

monochromatic

#4A0C25 #7E1440 #B31D5A #DD3076 #E66499

Accessibility & contrast

On white

6.48

#B31D5A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#B31D5A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D5A

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D5A	#FFFFFF	#000000	##FFFFFF
##B31D5A	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464C5B

Deuteranopia (green-blind)

#6D6857

Tritanopia (blue-blind)

#C3003A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31d5a;
/* rgb */ color: rgb(179, 29, 90);
/* oklch */ color: oklch(50.6% 0.186 3.3);

Tailwind

colors: {
  custom: {
    50: '#d06c88',
    500: '#b31d5a',
    950: '#000000',
  },
}

SCSS

$custom: #b31d5a;
$custom-light: #d06c88;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d5a",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 90
  },
  "hsl": {
    "h": 335.6,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50644,
    "c": 0.18637,
    "h": 3.3
  },
  "luminance": 0.11201
}

Semantic roles & 50–950 ramp

primary

#B31D5A

secondary

#61CBA0

accent

#EFA539

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080B

muted

#837B7C

Preview Lab

Preview with #B31D5A

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

Preview Lab → · Contrast checker → · Palette generator →