#B31A5C#B31A5C

#B31A5C is a mid, vivid pink. Relative luminance 0.111; OKLCH L 50.5% C 0.189 H 2.1°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#B31A5C
RGB	rgb(179, 26, 92)
HSL	hsl(334, 75%, 40%)
HSV	hsv(334, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 48.6%, 29.8%)
CIE-LAB	lab(39.75, 61.48, 2.50)
CIE-LCH	lch(39.75, 61.53, 2.33°)
OKLab	oklab(50.53% 0.1889 0.007)
OKLCH	oklch(50.53% 0.189 2.1)
XYZ	xyz(20.8934, 11.0982, 11.1651)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A5C #1AB371

analogous

#B31AA8 #B31A5C #B3251A

triadic

#B31A5C #5CB31A #1A5CB3

tetradic

#B31A5C #A8B31A #1AB371 #251AB3

square

#B31A5C #A8B31A #1AB371 #251AB3

split-complementary

#B31A5C #1AB325 #1AA8B3

monochromatic

#480A25 #7E1241 #B31A5C #E02A79 #E8609A

Accessibility & contrast

On white

6.52

#B31A5C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#B31A5C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A5C

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A5C	#FFFFFF	#000000	##FFFFFF
##B31A5C	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)

#444B5D

Deuteranopia (green-blind)

#6C6859

Tritanopia (blue-blind)

#C3003A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31a5c;
/* rgb */ color: rgb(179, 26, 92);
/* oklch */ color: oklch(50.5% 0.189 2.1);

Tailwind

colors: {
  custom: {
    50: '#d06b89',
    500: '#b31a5c',
    950: '#000000',
  },
}

SCSS

$custom: #b31a5c;
$custom-light: #d06b89;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a5c",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 92
  },
  "hsl": {
    "h": 334.118,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50534,
    "c": 0.18905,
    "h": 2.1
  },
  "luminance": 0.11095
}

Semantic roles & 50–950 ramp

primary

#B31A5C

secondary

#5DCC9C

accent

#F1A137

background

#FDF6F8

surface

#FBECF0

border

#D4C7CB

text

#15080B

muted

#837A7C

Preview Lab

Preview with #B31A5C

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

Preview Lab → · Contrast checker → · Palette generator →