#B31D54#B31D54

#B31D54 is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.5% C 0.185 H 6.1°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#B31D54
RGB	rgb(179, 29, 84)
HSL	hsl(338, 72%, 41%)
HSV	hsv(338, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 53.1%, 29.8%)
CIE-LAB	lab(39.76, 60.16, 7.61)
CIE-LCH	lch(39.76, 60.64, 7.21°)
OKLab	oklab(50.47% 0.1839 0.0197)
OKLCH	oklch(50.47% 0.185 6.1)
XYZ	xyz(20.6320, 11.1055, 9.4430)
Luminance	0.1110 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D54 #1DB37C

analogous

#B31D9F #B31D54 #B3311D

triadic

#B31D54 #54B31D #1D54B3

tetradic

#B31D54 #9FB31D #1DB37C #311DB3

square

#B31D54 #9FB31D #1DB37C #311DB3

split-complementary

#B31D54 #1DB331 #1D9FB3

monochromatic

#4A0C23 #7E143B #B31D54 #DD306F #E66494

Accessibility & contrast

On white

6.52

#B31D54 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B31D54 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D54

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D54	#FFFFFF	#000000	##FFFFFF
##B31D54	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474B55

Deuteranopia (green-blind)

#6E6850

Tritanopia (blue-blind)

#C40037

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31d54;
/* rgb */ color: rgb(179, 29, 84);
/* oklch */ color: oklch(50.5% 0.185 6.1);

Tailwind

colors: {
  custom: {
    50: '#d06c83',
    500: '#b31d54',
    950: '#000000',
  },
}

SCSS

$custom: #b31d54;
$custom-light: #d06c83;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d54",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 84
  },
  "hsl": {
    "h": 338,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50471,
    "c": 0.18492,
    "h": 6.1
  },
  "luminance": 0.11103
}

Semantic roles & 50–950 ramp

primary

#B31D54

secondary

#61CBA4

accent

#EFAC39

background

#FDF7F8

surface

#FBEDEF

border

#D4C8CA

text

#15080A

muted

#837B7C

Preview Lab

Preview with #B31D54

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

Preview Lab → · Contrast checker → · Palette generator →