#B31C9D#B31C9D

#B31C9D is a mid, highly saturated purple. Relative luminance 0.128; OKLCH L 53.4% C 0.220 H 335.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B31C9D
RGB	rgb(179, 28, 157)
HSL	hsl(309, 73%, 41%)
HSV	hsv(309, 84%, 70%)
CMYK	cmyk(0%, 84.4%, 12.3%, 29.8%)
CIE-LAB	lab(42.54, 68.43, -33.48)
CIE-LCH	lch(42.54, 76.19, 333.93°)
OKLab	oklab(53.41% 0.2005 -0.0916)
OKLCH	oklch(53.41% 0.22 335.4)
XYZ	xyz(25.0919, 12.8509, 33.0507)
Luminance	0.1285 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31C9D #1CB332

analogous

#7E1CB3 #B31C9D #B31C51

triadic

#B31C9D #9DB31C #1C9DB3

tetradic

#B31C9D #B37E1C #1CB332 #1C51B3

square

#B31C9D #B37E1C #1CB332 #1C51B3

split-complementary

#B31C9D #51B31C #1CB37E

monochromatic

#490B40 #7E146F #B31C9D #DE2EC5 #E763D3

Accessibility & contrast

On white

5.88

#B31C9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B31C9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31C9D

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31C9D	#FFFFFF	#000000	##FFFFFF
##B31C9D	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C57A0

Deuteranopia (green-blind)

#586C9A

Tritanopia (blue-blind)

#BC2C5E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b31c9d;
/* rgb */ color: rgb(179, 28, 157);
/* oklch */ color: oklch(53.4% 0.220 335.4);

Tailwind

colors: {
  custom: {
    50: '#ce6eba',
    500: '#b31c9d',
    950: '#000000',
  },
}

SCSS

$custom: #b31c9d;
$custom-light: #ce6eba;
$custom-dark: #000000;

JSON

{
  "hex": "#b31c9d",
  "rgb": {
    "r": 179,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 308.742,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.53412,
    "c": 0.22049,
    "h": 335.4
  },
  "luminance": 0.12849
}

Semantic roles & 50–950 ramp

primary

#B31C9D

secondary

#5FCB6F

accent

#F05338

background

#FDF7FB

surface

#FAEDF6

border

#D3C8D0

text

#140811

muted

#837B80

Preview Lab

Preview with #B31C9D

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

Preview Lab → · Contrast checker → · Palette generator →