#B31B52#B31B52

#B31B52 is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.3% C 0.186 H 6.8°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#B31B52
RGB	rgb(179, 27, 82)
HSL	hsl(338, 74%, 40%)
HSV	hsv(338, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 54.2%, 29.8%)
CIE-LAB	lab(39.55, 60.46, 8.58)
CIE-LCH	lch(39.55, 61.07, 8.08°)
OKLab	oklab(50.3% 0.1846 0.0221)
OKLCH	oklch(50.3% 0.186 6.8)
XYZ	xyz(20.5073, 10.9798, 9.0205)
Luminance	0.1098 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31B52 #1BB37C

analogous

#B31B9E #B31B52 #B3301B

triadic

#B31B52 #52B31B #1B52B3

tetradic

#B31B52 #9EB31B #1BB37C #301BB3

square

#B31B52 #9EB31B #1BB37C #301BB3

split-complementary

#B31B52 #1BB330 #1B9EB3

monochromatic

#490B21 #7E133A #B31B52 #DF2C6D #E76192

Accessibility & contrast

On white

6.57

#B31B52 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B31B52 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31B52

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31B52	#FFFFFF	#000000	##FFFFFF
##B31B52	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474A53

Deuteranopia (green-blind)

#6E684E

Tritanopia (blue-blind)

#C40035

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b31b52;
/* rgb */ color: rgb(179, 27, 82);
/* oklch */ color: oklch(50.3% 0.186 6.8);

Tailwind

colors: {
  custom: {
    50: '#d16b82',
    500: '#b31b52',
    950: '#000000',
  },
}

SCSS

$custom: #b31b52;
$custom-light: #d16b82;
$custom-dark: #000000;

JSON

{
  "hex": "#b31b52",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 82
  },
  "hsl": {
    "h": 338.289,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50299,
    "c": 0.18592,
    "h": 6.8
  },
  "luminance": 0.10977
}

Semantic roles & 50–950 ramp

primary

#B31B52

secondary

#5ECCA4

accent

#F0AD37

background

#FDF6F7

surface

#FBECEE

border

#D4C7C9

text

#15080A

muted

#837A7C

Preview Lab

Preview with #B31B52

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

Preview Lab → · Contrast checker → · Palette generator →