#A640CA#A640CA

#A640CA is a mid, highly saturated purple. Relative luminance 0.160; OKLCH L 57.0% C 0.214 H 315.9°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#A640CA
RGB	rgb(166, 64, 202)
HSL	hsl(284, 57%, 52%)
HSV	hsv(284, 68%, 79%)
CMYK	cmyk(17.8%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(47.03, 61.89, -52.97)
CIE-LCH	lch(47.03, 81.46, 319.44°)
OKLab	oklab(57.04% 0.1536 -0.1489)
OKLCH	oklch(57.04% 0.214 315.9)
XYZ	xyz(28.2183, 16.0391, 57.4751)
Luminance	0.1604 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A640CA #64CA40

analogous

#6140CA #A640CA #CA40A9

triadic

#A640CA #CAA640 #40CAA6

tetradic

#A640CA #CA6140 #64CA40 #40A9CA

square

#A640CA #CA6140 #64CA40 #40A9CA

split-complementary

#A640CA #A9CA40 #40CA61

monochromatic

#5B1F70 #822CA0 #A640CA #BC70D7 #D3A0E5

Accessibility & contrast

On white

4.99

#A640CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#A640CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A640CA

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A640CA	#FFFFFF	#000000	##FFFFFF
##A640CA	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#3F72C7

Tritanopia (blue-blind)

#A45B80

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #a640ca;
/* rgb */ color: rgb(166, 64, 202);
/* oklch */ color: oklch(57.0% 0.214 315.9);

Tailwind

colors: {
  custom: {
    50: '#c47ddb',
    500: '#a640ca',
    950: '#000000',
  },
}

SCSS

$custom: #a640ca;
$custom-light: #c47ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#a640ca",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 284.348,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57042,
    "c": 0.21391,
    "h": 315.9
  },
  "luminance": 0.16038
}

Semantic roles & 50–950 ramp

primary

#A640CA

secondary

#A4D195

accent

#E04870

background

#FCF7FD

surface

#F8EEFB

border

#D1C9D4

text

#130A15

muted

#827C83

Preview Lab

Preview with #A640CA

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

Preview Lab → · Contrast checker → · Palette generator →