#B637B3#B637B3

#B637B3 is a mid, highly saturated purple. Relative luminance 0.159; OKLCH L 57.0% C 0.212 H 328.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#B637B3
RGB	rgb(182, 55, 179)
HSL	hsl(301, 54%, 46%)
HSV	hsv(301, 70%, 71%)
CMYK	cmyk(0%, 69.8%, 1.6%, 28.6%)
CIE-LAB	lab(46.89, 64.74, -39.66)
CIE-LCH	lch(46.89, 75.92, 328.51°)
OKLab	oklab(57% 0.1819 -0.1096)
OKLCH	oklch(57% 0.212 328.9)
XYZ	xyz(28.7940, 15.9342, 44.1981)
Luminance	0.1593 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B637B3 #37B63A

analogous

#7A37B6 #B637B3 #B63774

triadic

#B637B3 #B3B637 #37B3B6

tetradic

#B637B3 #B67A37 #37B63A #3774B6

square

#B637B3 #B67A37 #37B63A #3774B6

split-complementary

#B637B3 #74B637 #37B67A

monochromatic

#581B57 #872985 #B637B3 #CE5CCB #DC8BDA

Accessibility & contrast

On white

5.02

#B637B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#B637B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B637B3

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B637B3	#FFFFFF	#000000	##FFFFFF
##B637B3	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2664B6

Deuteranopia (green-blind)

#5A75B0

Tritanopia (blue-blind)

#BC4871

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b637b3;
/* rgb */ color: rgb(182, 55, 179);
/* oklch */ color: oklch(57.0% 0.212 328.9);

Tailwind

colors: {
  custom: {
    50: '#cf79ca',
    500: '#b637b3',
    950: '#000000',
  },
}

SCSS

$custom: #b637b3;
$custom-light: #cf79ca;
$custom-dark: #000000;

JSON

{
  "hex": "#b637b3",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 179
  },
  "hsl": {
    "h": 301.417,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56999,
    "c": 0.21234,
    "h": 328.9
  },
  "luminance": 0.15932
}

Semantic roles & 50–950 ramp

primary

#B637B3

secondary

#82C684

accent

#DD4E4B

background

#FDF7FC

surface

#FAEEF8

border

#D3C9D1

text

#140A13

muted

#837C82

Preview Lab

Preview with #B637B3

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

Preview Lab → · Contrast checker → · Palette generator →