#A637C2#A637C2

#A637C2 is a mid, highly saturated purple. Relative luminance 0.147; OKLCH L 55.6% C 0.217 H 318.7°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#A637C2
RGB	rgb(166, 55, 194)
HSL	hsl(288, 56%, 49%)
HSV	hsv(288, 72%, 76%)
CMYK	cmyk(14.4%, 71.6%, 0%, 23.9%)
CIE-LAB	lab(45.27, 63.89, -51.15)
CIE-LCH	lch(45.27, 81.84, 321.32°)
OKLab	oklab(55.63% 0.1634 -0.1435)
OKLCH	oklch(55.63% 0.217 318.7)
XYZ	xyz(26.8284, 14.7357, 52.4596)
Luminance	0.1473 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637C2 #53C237

analogous

#6137C2 #A637C2 #C23799

triadic

#A637C2 #C2A637 #37C2A6

tetradic

#A637C2 #C26137 #53C237 #3799C2

square

#A637C2 #C26137 #53C237 #3799C2

split-complementary

#A637C2 #99C237 #37C261

monochromatic

#541C63 #7D2992 #A637C2 #BC63D3 #D193E0

Accessibility & contrast

On white

5.32

#A637C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#A637C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637C2

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637C2	#FFFFFF	#000000	##FFFFFF
##A637C2	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C6

Deuteranopia (green-blind)

#3F6FBF

Tritanopia (blue-blind)

#A65279

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #a637c2;
/* rgb */ color: rgb(166, 55, 194);
/* oklch */ color: oklch(55.6% 0.217 318.7);

Tailwind

colors: {
  custom: {
    50: '#c478d5',
    500: '#a637c2',
    950: '#000000',
  },
}

SCSS

$custom: #a637c2;
$custom-light: #c478d5;
$custom-dark: #000000;

JSON

{
  "hex": "#a637c2",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 194
  },
  "hsl": {
    "h": 287.914,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55628,
    "c": 0.21746,
    "h": 318.7
  },
  "luminance": 0.14734
}

Semantic roles & 50–950 ramp

primary

#A637C2

secondary

#97CB89

accent

#DF4967

background

#FCF7FD

surface

#F8EEFA

border

#D1C9D3

text

#130A14

muted

#827C83

Preview Lab

Preview with #A637C2

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

Preview Lab → · Contrast checker → · Palette generator →