#B31999#B31999

#B31999 is a mid, highly saturated pink. Relative luminance 0.126; OKLCH L 53.1% C 0.220 H 336.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B31999
RGB	rgb(179, 25, 153)
HSL	hsl(310, 75%, 40%)
HSV	hsv(310, 86%, 70%)
CMYK	cmyk(0%, 86%, 14.5%, 29.8%)
CIE-LAB	lab(42.13, 68.48, -31.72)
CIE-LCH	lch(42.13, 75.47, 335.15°)
OKLab	oklab(53.05% 0.2022 -0.0866)
OKLCH	oklch(53.05% 0.22 336.8)
XYZ	xyz(24.6883, 12.5813, 31.2590)
Luminance	0.1258 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31999 #19B333

analogous

#8019B3 #B31999 #B3194C

triadic

#B31999 #99B319 #1999B3

tetradic

#B31999 #B38019 #19B333 #194CB3

square

#B31999 #B38019 #19B333 #194CB3

split-complementary

#B31999 #4CB319 #19B380

monochromatic

#480A3D #7D126B #B31999 #E128C2 #E85ED1

Accessibility & contrast

On white

5.97

#B31999 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B31999 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31999

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31999	#FFFFFF	#000000	##FFFFFF
##B31999	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F559C

Deuteranopia (green-blind)

#5A6B96

Tritanopia (blue-blind)

#BD275B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b31999;
/* rgb */ color: rgb(179, 25, 153);
/* oklch */ color: oklch(53.1% 0.220 336.8);

Tailwind

colors: {
  custom: {
    50: '#ce6db7',
    500: '#b31999',
    950: '#000000',
  },
}

SCSS

$custom: #b31999;
$custom-light: #ce6db7;
$custom-dark: #000000;

JSON

{
  "hex": "#b31999",
  "rgb": {
    "r": 179,
    "g": 25,
    "b": 153
  },
  "hsl": {
    "h": 310.13,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.53051,
    "c": 0.21991,
    "h": 336.8
  },
  "luminance": 0.12579
}

Semantic roles & 50–950 ramp

primary

#B31999

secondary

#5BCC6E

accent

#F25636

background

#FDF7FB

surface

#FAEDF6

border

#D3C8D0

text

#140811

muted

#837B80

Preview Lab

Preview with #B31999

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

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