#B31D99#B31D99

#B31D99 is a mid, highly saturated pink. Relative luminance 0.128; OKLCH L 53.3% C 0.217 H 336.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B31D99
RGB	rgb(179, 29, 153)
HSL	hsl(310, 72%, 41%)
HSV	hsv(310, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 14.5%, 29.8%)
CIE-LAB	lab(42.41, 67.66, -31.28)
CIE-LCH	lch(42.41, 74.54, 335.19°)
OKLab	oklab(53.25% 0.1997 -0.0853)
OKLCH	oklch(53.25% 0.217 336.9)
XYZ	xyz(24.7801, 12.7648, 31.2896)
Luminance	0.1276 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31D99 #1DB337

analogous

#821DB3 #B31D99 #B31D4E

triadic

#B31D99 #99B31D #1D99B3

tetradic

#B31D99 #B3821D #1DB337 #1D4EB3

square

#B31D99 #B3821D #1DB337 #1D4EB3

split-complementary

#B31D99 #4EB31D #1DB382

monochromatic

#4A0C3F #7E146C #B31D99 #DD30BF #E664D0

Accessibility & contrast

On white

5.91

#B31D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B31D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31D99

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31D99	#FFFFFF	#000000	##FFFFFF
##B31D99	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22569C

Deuteranopia (green-blind)

#5B6C96

Tritanopia (blue-blind)

#BD2A5C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b31d99;
/* rgb */ color: rgb(179, 29, 153);
/* oklch */ color: oklch(53.3% 0.217 336.9);

Tailwind

colors: {
  custom: {
    50: '#ce6eb7',
    500: '#b31d99',
    950: '#000000',
  },
}

SCSS

$custom: #b31d99;
$custom-light: #ce6eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#b31d99",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 153
  },
  "hsl": {
    "h": 310.4,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53252,
    "c": 0.21716,
    "h": 336.9
  },
  "luminance": 0.12762
}

Semantic roles & 50–950 ramp

primary

#B31D99

secondary

#61CB73

accent

#EF5839

background

#FDF7FB

surface

#FAEDF6

border

#D3C8D0

text

#140811

muted

#837B80

Preview Lab

Preview with #B31D99

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

Preview Lab → · Contrast checker → · Palette generator →