#A637CF#A637CF

#A637CF is a mid, highly saturated purple. Relative luminance 0.153; OKLCH L 56.5% C 0.229 H 315.1°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#A637CF
RGB	rgb(166, 55, 207)
HSL	hsl(284, 61%, 51%)
HSV	hsv(284, 73%, 81%)
CMYK	cmyk(19.8%, 73.4%, 0%, 18.8%)
CIE-LAB	lab(46.10, 66.40, -57.34)
CIE-LCH	lch(46.10, 87.73, 319.19°)
OKLab	oklab(56.49% 0.162 -0.1617)
OKLCH	oklch(56.49% 0.229 315.1)
XYZ	xyz(28.3527, 15.3454, 60.4878)
Luminance	0.1534 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637CF #60CF37

analogous

#5A37CF #A637CF #CF37AC

triadic

#A637CF #CFA637 #37CFA6

tetradic

#A637CF #CF5A37 #60CF37 #37ACCF

square

#A637CF #CF5A37 #60CF37 #37ACCF

split-complementary

#A637CF #ACCF37 #37CF5A

monochromatic

#5A1B71 #8127A2 #A637CF #BC68DB #D29AE7

Accessibility & contrast

On white

5.16

#A637CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#A637CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637CF

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637CF	#FFFFFF	#000000	##FFFFFF
##A637CF	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#3170CC

Tritanopia (blue-blind)

#A35881

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #a637cf;
/* rgb */ color: rgb(166, 55, 207);
/* oklch */ color: oklch(56.5% 0.229 315.1);

Tailwind

colors: {
  custom: {
    50: '#c579de',
    500: '#a637cf',
    950: '#000000',
  },
}

SCSS

$custom: #a637cf;
$custom-light: #c579de;
$custom-dark: #000000;

JSON

{
  "hex": "#a637cf",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 207
  },
  "hsl": {
    "h": 283.816,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56486,
    "c": 0.22888,
    "h": 315.1
  },
  "luminance": 0.15344
}

Semantic roles & 50–950 ramp

primary

#A637CF

secondary

#A1D28F

accent

#E4436F

background

#FCF7FD

surface

#F8EEFB

border

#D1C9D4

text

#130A15

muted

#827C83

Preview Lab

Preview with #A637CF

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

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