#A638CA#A638CA

#A638CA is a mid, highly saturated purple. Relative luminance 0.152; OKLCH L 56.2% C 0.223 H 316.4°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#A638CA
RGB	rgb(166, 56, 202)
HSL	hsl(285, 58%, 51%)
HSV	hsv(285, 72%, 79%)
CMYK	cmyk(17.8%, 72.3%, 0%, 20.8%)
CIE-LAB	lab(45.91, 65.05, -54.77)
CIE-LCH	lch(45.91, 85.04, 319.91°)
OKLab	oklab(56.24% 0.1616 -0.1541)
OKLCH	oklch(56.24% 0.223 316.4)
XYZ	xyz(27.7991, 15.2007, 57.3354)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A638CA #5CCA38

analogous

#5D38CA #A638CA #CA38A5

triadic

#A638CA #CAA638 #38CAA6

tetradic

#A638CA #CA5D38 #5CCA38 #38A5CA

square

#A638CA #CA5D38 #5CCA38 #38A5CA

split-complementary

#A638CA #A5CA38 #38CA5D

monochromatic

#581D6B #7F299B #A638CA #BC68D7 #D199E4

Accessibility & contrast

On white

5.20

#A638CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#A638CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A638CA

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A638CA	#FFFFFF	#000000	##FFFFFF
##A638CA	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)

#0066CE

Deuteranopia (green-blind)

#3870C7

Tritanopia (blue-blind)

#A4567E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #a638ca;
/* rgb */ color: rgb(166, 56, 202);
/* oklch */ color: oklch(56.2% 0.223 316.4);

Tailwind

colors: {
  custom: {
    50: '#c579db',
    500: '#a638ca',
    950: '#000000',
  },
}

SCSS

$custom: #a638ca;
$custom-light: #c579db;
$custom-dark: #000000;

JSON

{
  "hex": "#a638ca",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 202
  },
  "hsl": {
    "h": 285.205,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56244,
    "c": 0.22335,
    "h": 316.4
  },
  "luminance": 0.152
}

Semantic roles & 50–950 ramp

primary

#A638CA

secondary

#9ECF8E

accent

#E1476D

background

#FCF7FD

surface

#F8EEFB

border

#D1C9D4

text

#130A15

muted

#827C83

Preview Lab

Preview with #A638CA

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

Preview Lab → · Contrast checker → · Palette generator →