#A639CC#A639CC

#A639CC is a mid, highly saturated purple. Relative luminance 0.154; OKLCH L 56.5% C 0.224 H 315.8°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#A639CC
RGB	rgb(166, 57, 204)
HSL	hsl(284, 59%, 51%)
HSV	hsv(284, 72%, 80%)
CMYK	cmyk(18.6%, 72.1%, 0%, 20%)
CIE-LAB	lab(46.17, 65.06, -55.50)
CIE-LCH	lch(46.17, 85.52, 319.53°)
OKLab	oklab(56.47% 0.1605 -0.1563)
OKLCH	oklch(56.47% 0.224 315.8)
XYZ	xyz(28.0864, 15.3940, 58.6069)
Luminance	0.1539 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A639CC #5FCC39

analogous

#5C39CC #A639CC #CC39A8

triadic

#A639CC #CCA639 #39CCA6

tetradic

#A639CC #CC5C39 #5FCC39 #39A8CC

square

#A639CC #CC5C39 #5FCC39 #39A8CC

split-complementary

#A639CC #A8CC39 #39CC5C

monochromatic

#591C6E #80299F #A639CC #BC6AD9 #D29AE5

Accessibility & contrast

On white

5.15

#A639CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#A639CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A639CC

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A639CC	#FFFFFF	#000000	##FFFFFF
##A639CC	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#3770C9

Tritanopia (blue-blind)

#A3587F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #a639cc;
/* rgb */ color: rgb(166, 57, 204);
/* oklch */ color: oklch(56.5% 0.224 315.8);

Tailwind

colors: {
  custom: {
    50: '#c579dc',
    500: '#a639cc',
    950: '#000000',
  },
}

SCSS

$custom: #a639cc;
$custom-light: #c579dc;
$custom-dark: #000000;

JSON

{
  "hex": "#a639cc",
  "rgb": {
    "r": 166,
    "g": 57,
    "b": 204
  },
  "hsl": {
    "h": 284.49,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56471,
    "c": 0.22401,
    "h": 315.8
  },
  "luminance": 0.15393
}

Semantic roles & 50–950 ramp

primary

#A639CC

secondary

#A1D190

accent

#E2466E

background

#FCF7FD

surface

#F8EEFB

border

#D1C9D4

text

#130A15

muted

#827C83

Preview Lab

Preview with #A639CC

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

Preview Lab → · Contrast checker → · Palette generator →