#B337B1#B337B1

#B337B1 is a mid, highly saturated purple. Relative luminance 0.155; OKLCH L 56.4% C 0.209 H 328.6°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#B337B1
RGB	rgb(179, 55, 177)
HSL	hsl(301, 53%, 46%)
HSV	hsv(301, 69%, 70%)
CMYK	cmyk(0%, 69.3%, 1.1%, 29.8%)
CIE-LAB	lab(46.30, 63.72, -39.44)
CIE-LCH	lch(46.30, 74.94, 328.25°)
OKLab	oklab(56.45% 0.1786 -0.109)
OKLCH	oklch(56.45% 0.209 328.6)
XYZ	xyz(27.8921, 15.4924, 43.1077)
Luminance	0.1549 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B337B1 #37B339

analogous

#7737B3 #B337B1 #B33773

triadic

#B337B1 #B1B337 #37B1B3

tetradic

#B337B1 #B37737 #37B339 #3773B3

square

#B337B1 #B37737 #37B339 #3773B3

split-complementary

#B337B1 #73B337 #37B377

monochromatic

#551A54 #842983 #B337B1 #CD5BCB #DB8ADA

Accessibility & contrast

On white

5.12

#B337B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#B337B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B337B1

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B337B1	#FFFFFF	#000000	##FFFFFF
##B337B1	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2563B4

Deuteranopia (green-blind)

#5873AE

Tritanopia (blue-blind)

#B94870

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b337b1;
/* rgb */ color: rgb(179, 55, 177);
/* oklch */ color: oklch(56.4% 0.209 328.6);

Tailwind

colors: {
  custom: {
    50: '#cd79c9',
    500: '#b337b1',
    950: '#000000',
  },
}

SCSS

$custom: #b337b1;
$custom-light: #cd79c9;
$custom-dark: #000000;

JSON

{
  "hex": "#b337b1",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 177
  },
  "hsl": {
    "h": 300.968,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56449,
    "c": 0.20924,
    "h": 328.6
  },
  "luminance": 0.1549
}

Semantic roles & 50–950 ramp

primary

#B337B1

secondary

#81C582

accent

#DC4E4B

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B337B1

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

Preview Lab → · Contrast checker → · Palette generator →