#B31B67#B31B67

#B31B67 is a mid, vivid pink. Relative luminance 0.113; OKLCH L 51.0% C 0.192 H 357.2°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B31B67
RGB	rgb(179, 27, 103)
HSL	hsl(330, 74%, 40%)
HSV	hsv(330, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 42.5%, 29.8%)
CIE-LAB	lab(40.16, 62.25, -3.85)
CIE-LCH	lch(40.16, 62.37, 356.46°)
OKLab	oklab(50.95% 0.1918 -0.0093)
OKLCH	oklch(50.95% 0.192 357.2)
XYZ	xyz(21.4322, 11.3497, 13.8915)
Luminance	0.1135 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31B67 #1BB367

analogous

#B31BB3 #B31B67 #B31B1B

triadic

#B31B67 #67B31B #1B67B3

tetradic

#B31B67 #B3B31B #1BB367 #1B1BB3

square

#B31B67 #B3B31B #1BB367 #1B1BB3

split-complementary

#B31B67 #1BB31B #1BB3B3

monochromatic

#490B2A #7E1348 #B31B67 #DF2C86 #E761A4

Accessibility & contrast

On white

6.42

#B31B67 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B31B67 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31B67

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31B67	#FFFFFF	#000000	##FFFFFF
##B31B67	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414D69

Deuteranopia (green-blind)

#6A6964

Tritanopia (blue-blind)

#C20040

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b31b67;
/* rgb */ color: rgb(179, 27, 103);
/* oklch */ color: oklch(51.0% 0.192 357.2);

Tailwind

colors: {
  custom: {
    50: '#cf6c92',
    500: '#b31b67',
    950: '#000000',
  },
}

SCSS

$custom: #b31b67;
$custom-light: #cf6c92;
$custom-dark: #000000;

JSON

{
  "hex": "#b31b67",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 103
  },
  "hsl": {
    "h": 330,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50951,
    "c": 0.19203,
    "h": 357.2
  },
  "luminance": 0.11347
}

Semantic roles & 50–950 ramp

primary

#B31B67

secondary

#5ECC95

accent

#F09437

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080D

muted

#837B7D

Preview Lab

Preview with #B31B67

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

Preview Lab → · Contrast checker → · Palette generator →