#B31DA5#B31DA5

#B31DA5 is a mid, highly saturated purple. Relative luminance 0.132; OKLCH L 53.9% C 0.225 H 332.7°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B31DA5
RGB	rgb(179, 29, 165)
HSL	hsl(306, 72%, 41%)
HSV	hsv(306, 84%, 70%)
CMYK	cmyk(0%, 83.8%, 7.8%, 29.8%)
CIE-LAB	lab(43.04, 69.37, -37.50)
CIE-LCH	lch(43.04, 78.85, 331.61°)
OKLab	oklab(53.9% 0.2001 -0.1032)
OKLCH	oklch(53.9% 0.225 332.7)
XYZ	xyz(25.8215, 13.1813, 36.7743)
Luminance	0.1318 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31DA5 #1DB32B

analogous

#761DB3 #B31DA5 #B31D5A

triadic

#B31DA5 #A5B31D #1DA5B3

tetradic

#B31DA5 #B3761D #1DB32B #1D5AB3

square

#B31DA5 #B3761D #1DB32B #1D5AB3

split-complementary

#B31DA5 #5AB31D #1DB376

monochromatic

#4A0C44 #7E1474 #B31DA5 #DD30CD #E664DA

Accessibility & contrast

On white

5.78

#B31DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B31DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31DA5

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31DA5	#FFFFFF	#000000	##FFFFFF
##B31DA5	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E58A8

Deuteranopia (green-blind)

#556DA2

Tritanopia (blue-blind)

#BB3263

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31da5;
/* rgb */ color: rgb(179, 29, 165);
/* oklch */ color: oklch(53.9% 0.225 332.7);

Tailwind

colors: {
  custom: {
    50: '#ce6fc0',
    500: '#b31da5',
    950: '#000000',
  },
}

SCSS

$custom: #b31da5;
$custom-light: #ce6fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#b31da5",
  "rgb": {
    "r": 179,
    "g": 29,
    "b": 165
  },
  "hsl": {
    "h": 305.6,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.53904,
    "c": 0.22514,
    "h": 332.7
  },
  "luminance": 0.13179
}

Semantic roles & 50–950 ramp

primary

#B31DA5

secondary

#61CB6B

accent

#EF4A39

background

#FDF7FB

surface

#FAEDF7

border

#D3C8D0

text

#140912

muted

#837B81

Preview Lab

Preview with #B31DA5

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

Preview Lab → · Contrast checker → · Palette generator →