#A637CC#A637CC

#A637CC is a mid, highly saturated purple. Relative luminance 0.152; OKLCH L 56.3% C 0.226 H 315.9°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#A637CC
RGB	rgb(166, 55, 204)
HSL	hsl(285, 59%, 51%)
HSV	hsv(285, 73%, 80%)
CMYK	cmyk(18.6%, 73%, 0%, 20%)
CIE-LAB	lab(45.91, 65.81, -55.92)
CIE-LCH	lch(45.91, 86.36, 319.64°)
OKLab	oklab(56.28% 0.1624 -0.1575)
OKLCH	oklch(56.28% 0.226 315.9)
XYZ	xyz(27.9894, 15.2001, 58.5746)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637CC #5DCC37

analogous

#5B37CC #A637CC #CC37A7

triadic

#A637CC #CCA637 #37CCA6

tetradic

#A637CC #CC5B37 #5DCC37 #37A7CC

square

#A637CC #CC5B37 #5DCC37 #37A7CC

split-complementary

#A637CC #A7CC37 #37CC5B

monochromatic

#581C6D #80289E #A637CC #BC68D8 #D199E5

Accessibility & contrast

On white

5.20

#A637CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#A637CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637CC

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637CC	#FFFFFF	#000000	##FFFFFF
##A637CC	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D0

Deuteranopia (green-blind)

#3570C9

Tritanopia (blue-blind)

#A3577F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #a637cc;
/* rgb */ color: rgb(166, 55, 204);
/* oklch */ color: oklch(56.3% 0.226 315.9);

Tailwind

colors: {
  custom: {
    50: '#c578dc',
    500: '#a637cc',
    950: '#000000',
  },
}

SCSS

$custom: #a637cc;
$custom-light: #c578dc;
$custom-dark: #000000;

JSON

{
  "hex": "#a637cc",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 204
  },
  "hsl": {
    "h": 284.698,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56284,
    "c": 0.22622,
    "h": 315.9
  },
  "luminance": 0.15199
}

Semantic roles & 50–950 ramp

primary

#A637CC

secondary

#9FD08E

accent

#E3456D

background

#FCF7FD

surface

#F8EEFB

border

#D1C9D4

text

#130A15

muted

#827C83

Preview Lab

Preview with #A637CC

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

Preview Lab → · Contrast checker → · Palette generator →