#A637DA#A637DA

#A637DA is a mid, highly saturated purple. Relative luminance 0.159; OKLCH L 57.2% C 0.239 H 312.2°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#A637DA
RGB	rgb(166, 55, 218)
HSL	hsl(281, 69%, 54%)
HSV	hsv(281, 75%, 85%)
CMYK	cmyk(23.9%, 74.8%, 0%, 14.5%)
CIE-LAB	lab(46.85, 68.58, -62.45)
CIE-LCH	lch(46.85, 92.75, 317.68°)
OKLab	oklab(57.25% 0.1604 -0.1767)
OKLCH	oklch(57.25% 0.239 312.2)
XYZ	xyz(29.7446, 15.9022, 67.8186)
Luminance	0.1590 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637DA #6BDA37

analogous

#5437DA #A637DA #DA37BC

triadic

#A637DA #DAA637 #37DAA6

tetradic

#A637DA #DA5437 #6BDA37 #37BCDA

square

#A637DA #DA5437 #6BDA37 #37BCDA

split-complementary

#A637DA #BCDA37 #37DA54

monochromatic

#5E187F #8421B3 #A637DA #BD6BE4 #D49EED

Accessibility & contrast

On white

5.02

#A637DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#A637DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637DA

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637DA	#FFFFFF	#000000	##FFFFFF
##A637DA	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#1E71D7

Tritanopia (blue-blind)

#A05D87

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #a637da;
/* rgb */ color: rgb(166, 55, 218);
/* oklch */ color: oklch(57.2% 0.239 312.2);

Tailwind

colors: {
  custom: {
    50: '#c579e6',
    500: '#a637da',
    950: '#000000',
  },
}

SCSS

$custom: #a637da;
$custom-light: #c579e6;
$custom-dark: #000000;

JSON

{
  "hex": "#a637da",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 218
  },
  "hsl": {
    "h": 280.859,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57247,
    "c": 0.23862,
    "h": 312.2
  },
  "luminance": 0.15901
}

Semantic roles & 50–950 ramp

primary

#A637DA

secondary

#AAD993

accent

#EC3C74

background

#FCF7FE

surface

#F9EEFC

border

#D2C9D5

text

#130A16

muted

#827C84

Preview Lab

Preview with #A637DA

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

Preview Lab → · Contrast checker → · Palette generator →