#B31B61#B31B61

#B31B61 is a mid, vivid pink. Relative luminance 0.112; OKLCH L 50.7% C 0.190 H 359.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#B31B61
RGB	rgb(179, 27, 97)
HSL	hsl(332, 74%, 40%)
HSV	hsv(332, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 45.8%, 29.8%)
CIE-LAB	lab(39.97, 61.70, -0.34)
CIE-LCH	lch(39.97, 61.70, 359.68°)
OKLab	oklab(50.75% 0.1899 -0.0002)
OKLCH	oklch(50.75% 0.19 359.9)
XYZ	xyz(21.1418, 11.2336, 12.3620)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31B61 #1BB36D

analogous

#B31BAD #B31B61 #B3211B

triadic

#B31B61 #61B31B #1B61B3

tetradic

#B31B61 #ADB31B #1BB36D #211BB3

square

#B31B61 #ADB31B #1BB36D #211BB3

split-complementary

#B31B61 #1BB321 #1BADB3

monochromatic

#490B27 #7E1344 #B31B61 #DF2C7F #E7619F

Accessibility & contrast

On white

6.47

#B31B61 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B31B61 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31B61

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31B61	#FFFFFF	#000000	##FFFFFF
##B31B61	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434C63

Deuteranopia (green-blind)

#6B685E

Tritanopia (blue-blind)

#C3003D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b31b61;
/* rgb */ color: rgb(179, 27, 97);
/* oklch */ color: oklch(50.7% 0.190 359.9);

Tailwind

colors: {
  custom: {
    50: '#d06c8d',
    500: '#b31b61',
    950: '#000000',
  },
}

SCSS

$custom: #b31b61;
$custom-light: #d06c8d;
$custom-dark: #000000;

JSON

{
  "hex": "#b31b61",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 97
  },
  "hsl": {
    "h": 332.368,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50748,
    "c": 0.1899,
    "h": 359.9
  },
  "luminance": 0.11231
}

Semantic roles & 50–950 ramp

primary

#B31B61

secondary

#5ECC99

accent

#F09B37

background

#FDF7F8

surface

#FBEDF0

border

#D4C8CB

text

#15080C

muted

#837B7D

Preview Lab

Preview with #B31B61

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

Preview Lab → · Contrast checker → · Palette generator →