#B637D9#B637D9

#B637D9 is a mid, highly saturated purple. Relative luminance 0.177; OKLCH L 59.3% C 0.243 H 317.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#B637D9
RGB	rgb(182, 55, 217)
HSL	hsl(287, 68%, 53%)
HSV	hsv(287, 75%, 85%)
CMYK	cmyk(16.1%, 74.7%, 0%, 14.9%)
CIE-LAB	lab(49.12, 71.39, -58.09)
CIE-LCH	lch(49.12, 92.04, 320.86°)
OKLab	oklab(59.3% 0.18 -0.1634)
OKLCH	oklch(59.3% 0.243 317.8)
XYZ	xyz(33.1802, 17.6887, 67.2987)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B637D9 #5AD937

analogous

#6537D9 #B637D9 #D937AB

triadic

#B637D9 #D9B637 #37D9B6

tetradic

#B637D9 #D96537 #5AD937 #37ABD9

square

#B637D9 #D96537 #5AD937 #37ABD9

split-complementary

#B637D9 #ABD937 #37D965

monochromatic

#68187E #9222B1 #B637D9 #C96AE3 #DC9EED

Accessibility & contrast

On white

4.63

#B637D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#B637D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #B637D9

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B637D9	#FFFFFF	#000000	##FFFFFF
##B637D9	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#3D79D5

Tritanopia (blue-blind)

#B55A86

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #b637d9;
/* rgb */ color: rgb(182, 55, 217);
/* oklch */ color: oklch(59.3% 0.243 317.8);

Tailwind

colors: {
  custom: {
    50: '#d07be5',
    500: '#b637d9',
    950: '#000000',
  },
}

SCSS

$custom: #b637d9;
$custom-light: #d07be5;
$custom-dark: #000000;

JSON

{
  "hex": "#b637d9",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 217
  },
  "hsl": {
    "h": 287.037,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.59304,
    "c": 0.24313,
    "h": 317.8
  },
  "luminance": 0.17687
}

Semantic roles & 50–950 ramp

primary

#B637D9

secondary

#A2D993

accent

#EB3D62

background

#FDF8FE

surface

#FAEFFC

border

#D3CAD5

text

#150A16

muted

#837C84

Preview Lab

Preview with #B637D9

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

Preview Lab → · Contrast checker → · Palette generator →