#B637B0#B637B0

#B637B0 is a mid, highly saturated purple. Relative luminance 0.158; OKLCH L 56.8% C 0.210 H 329.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#B637B0
RGB	rgb(182, 55, 176)
HSL	hsl(303, 54%, 46%)
HSV	hsv(303, 70%, 71%)
CMYK	cmyk(0%, 69.8%, 3.3%, 28.6%)
CIE-LAB	lab(46.73, 64.25, -38.14)
CIE-LCH	lch(46.73, 74.72, 329.30°)
OKLab	oklab(56.83% 0.1818 -0.1052)
OKLCH	oklch(56.83% 0.21 329.9)
XYZ	xyz(28.4939, 15.8142, 42.6176)
Luminance	0.1581 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B637B0 #37B63D

analogous

#7D37B6 #B637B0 #B63771

triadic

#B637B0 #B0B637 #37B0B6

tetradic

#B637B0 #B67D37 #37B63D #3771B6

square

#B637B0 #B67D37 #37B63D #3771B6

split-complementary

#B637B0 #71B637 #37B67D

monochromatic

#581B55 #872983 #B637B0 #CE5CC8 #DC8BD8

Accessibility & contrast

On white

5.05

#B637B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#B637B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B637B0

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B637B0	#FFFFFF	#000000	##FFFFFF
##B637B0	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2964B3

Deuteranopia (green-blind)

#5B75AD

Tritanopia (blue-blind)

#BD4770

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b637b0;
/* rgb */ color: rgb(182, 55, 176);
/* oklch */ color: oklch(56.8% 0.210 329.9);

Tailwind

colors: {
  custom: {
    50: '#cf79c8',
    500: '#b637b0',
    950: '#000000',
  },
}

SCSS

$custom: #b637b0;
$custom-light: #cf79c8;
$custom-dark: #000000;

JSON

{
  "hex": "#b637b0",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 176
  },
  "hsl": {
    "h": 302.835,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56834,
    "c": 0.21001,
    "h": 329.9
  },
  "luminance": 0.15812
}

Semantic roles & 50–950 ramp

primary

#B637B0

secondary

#82C686

accent

#DD524B

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B637B0

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

Preview Lab → · Contrast checker → · Palette generator →