#B31A53#B31A53

#B31A53 is a mid, vivid pink. Relative luminance 0.109; OKLCH L 50.3% C 0.187 H 6.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B31A53
RGB	rgb(179, 26, 83)
HSL	hsl(338, 75%, 40%)
HSV	hsv(338, 85%, 70%)
CMYK	cmyk(0%, 85.5%, 53.6%, 29.8%)
CIE-LAB	lab(39.50, 60.76, 7.87)
CIE-LCH	lch(39.50, 61.27, 7.38°)
OKLab	oklab(50.27% 0.1857 0.0204)
OKLCH	oklch(50.27% 0.187 6.3)
XYZ	xyz(20.5231, 10.9500, 9.2148)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31A53 #1AB37A

analogous

#B31A9F #B31A53 #B32D1A

triadic

#B31A53 #53B31A #1A53B3

tetradic

#B31A53 #9FB31A #1AB37A #2D1AB3

square

#B31A53 #9FB31A #1AB37A #2D1AB3

split-complementary

#B31A53 #1AB32D #1A9FB3

monochromatic

#480A21 #7E123A #B31A53 #E02A6E #E86092

Accessibility & contrast

On white

6.58

#B31A53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B31A53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31A53

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31A53	#FFFFFF	#000000	##FFFFFF
##B31A53	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464A54

Deuteranopia (green-blind)

#6E684F

Tritanopia (blue-blind)

#C40035

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31a53;
/* rgb */ color: rgb(179, 26, 83);
/* oklch */ color: oklch(50.3% 0.187 6.3);

Tailwind

colors: {
  custom: {
    50: '#d16b83',
    500: '#b31a53',
    950: '#000000',
  },
}

SCSS

$custom: #b31a53;
$custom-light: #d16b83;
$custom-dark: #000000;

JSON

{
  "hex": "#b31a53",
  "rgb": {
    "r": 179,
    "g": 26,
    "b": 83
  },
  "hsl": {
    "h": 337.647,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50271,
    "c": 0.1868,
    "h": 6.3
  },
  "luminance": 0.10947
}

Semantic roles & 50–950 ramp

primary

#B31A53

secondary

#5DCCA3

accent

#F1AC37

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31A53

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

Preview Lab → · Contrast checker → · Palette generator →