#A637D7#A637D7

#A637D7 is a mid, highly saturated purple. Relative luminance 0.157; OKLCH L 57.0% C 0.236 H 313.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#A637D7
RGB	rgb(166, 55, 215)
HSL	hsl(282, 67%, 53%)
HSV	hsv(282, 74%, 84%)
CMYK	cmyk(22.8%, 74.4%, 0%, 15.7%)
CIE-LAB	lab(46.64, 67.98, -61.06)
CIE-LCH	lch(46.64, 91.38, 318.07°)
OKLab	oklab(57.04% 0.1609 -0.1726)
OKLCH	oklch(57.04% 0.236 313)
XYZ	xyz(29.3556, 15.7466, 65.7698)
Luminance	0.1575 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637D7 #68D737

analogous

#5637D7 #A637D7 #D737B8

triadic

#A637D7 #D7A637 #37D7A6

tetradic

#A637D7 #D75637 #68D737 #37B8D7

square

#A637D7 #D75637 #68D737 #37B8D7

split-complementary

#A637D7 #B8D737 #37D756

monochromatic

#5D197B #8323AE #A637D7 #BD6AE1 #D39DEB

Accessibility & contrast

On white

5.06

#A637D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#A637D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637D7

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637D7	#FFFFFF	#000000	##FFFFFF
##A637D7	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DB

Deuteranopia (green-blind)

#2471D4

Tritanopia (blue-blind)

#A15C85

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #a637d7;
/* rgb */ color: rgb(166, 55, 215);
/* oklch */ color: oklch(57.0% 0.236 313.0);

Tailwind

colors: {
  custom: {
    50: '#c579e4',
    500: '#a637d7',
    950: '#000000',
  },
}

SCSS

$custom: #a637d7;
$custom-light: #c579e4;
$custom-dark: #000000;

JSON

{
  "hex": "#a637d7",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 215
  },
  "hsl": {
    "h": 281.625,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57036,
    "c": 0.23595,
    "h": 313
  },
  "luminance": 0.15746
}

Semantic roles & 50–950 ramp

primary

#A637D7

secondary

#A7D792

accent

#EA3E73

background

#FCF7FE

surface

#F9EEFC

border

#D2C9D5

text

#130A16

muted

#827C84

Preview Lab

Preview with #A637D7

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

Preview Lab → · Contrast checker → · Palette generator →