#B31BA8#B31BA8

#B31BA8 is a mid, highly saturated purple. Relative luminance 0.132; OKLCH L 54.0% C 0.229 H 331.7°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B31BA8
RGB	rgb(179, 27, 168)
HSL	hsl(304, 74%, 40%)
HSV	hsv(304, 85%, 70%)
CMYK	cmyk(0%, 84.9%, 6.1%, 29.8%)
CIE-LAB	lab(43.06, 70.22, -39.25)
CIE-LCH	lch(43.06, 80.45, 330.80°)
OKLab	oklab(53.97% 0.2013 -0.1083)
OKLCH	oklch(53.97% 0.229 331.7)
XYZ	xyz(26.0503, 13.1970, 38.2135)
Luminance	0.1320 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B31BA8 #1BB326

analogous

#721BB3 #B31BA8 #B31B5C

triadic

#B31BA8 #A8B31B #1BA8B3

tetradic

#B31BA8 #B3721B #1BB326 #1B5CB3

square

#B31BA8 #B3721B #1BB326 #1B5CB3

split-complementary

#B31BA8 #5CB31B #1BB372

monochromatic

#490B44 #7E1376 #B31BA8 #DF2CD2 #E761DE

Accessibility & contrast

On white

5.77

#B31BA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B31BA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B31BA8

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B31BA8	#FFFFFF	#000000	##FFFFFF
##B31BA8	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AB

Deuteranopia (green-blind)

#536DA5

Tritanopia (blue-blind)

#BB3364

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b31ba8;
/* rgb */ color: rgb(179, 27, 168);
/* oklch */ color: oklch(54.0% 0.229 331.7);

Tailwind

colors: {
  custom: {
    50: '#ce6ec2',
    500: '#b31ba8',
    950: '#000000',
  },
}

SCSS

$custom: #b31ba8;
$custom-light: #ce6ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#b31ba8",
  "rgb": {
    "r": 179,
    "g": 27,
    "b": 168
  },
  "hsl": {
    "h": 304.342,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.53973,
    "c": 0.22855,
    "h": 331.7
  },
  "luminance": 0.13195
}

Semantic roles & 50–950 ramp

primary

#B31BA8

secondary

#5ECC66

accent

#F04537

background

#FDF7FC

surface

#FAEDF8

border

#D3C8D1

text

#140812

muted

#837B81

Preview Lab

Preview with #B31BA8

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

Preview Lab → · Contrast checker → · Palette generator →