#A640D5#A640D5

#A640D5 is a mid, highly saturated purple. Relative luminance 0.166; OKLCH L 57.8% C 0.224 H 312.9°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#A640D5
RGB	rgb(166, 64, 213)
HSL	hsl(281, 64%, 54%)
HSV	hsv(281, 70%, 84%)
CMYK	cmyk(22.1%, 70%, 0%, 16.5%)
CIE-LAB	lab(47.72, 64.11, -58.17)
CIE-LCH	lch(47.72, 86.57, 317.78°)
OKLab	oklab(57.76% 0.1526 -0.1642)
OKLCH	oklch(57.76% 0.224 312.9)
XYZ	xyz(29.5674, 16.5788, 64.5804)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A640D5 #6FD540

analogous

#5C40D5 #A640D5 #D540B9

triadic

#A640D5 #D5A640 #40D5A6

tetradic

#A640D5 #D55C40 #6FD540 #40B9D5

square

#A640D5 #D55C40 #6FD540 #40B9D5

split-complementary

#A640D5 #B9D540 #40D55C

monochromatic

#601C7F #8527B1 #A640D5 #BD72E0 #D5A4EB

Accessibility & contrast

On white

4.87

#A640D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#A640D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A640D5

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A640D5	#FFFFFF	#000000	##FFFFFF
##A640D5	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD9

Deuteranopia (green-blind)

#3373D2

Tritanopia (blue-blind)

#A16086

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #a640d5;
/* rgb */ color: rgb(166, 64, 213);
/* oklch */ color: oklch(57.8% 0.224 312.9);

Tailwind

colors: {
  custom: {
    50: '#c57de3',
    500: '#a640d5',
    950: '#000000',
  },
}

SCSS

$custom: #a640d5;
$custom-light: #c57de3;
$custom-dark: #000000;

JSON

{
  "hex": "#a640d5",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 213
  },
  "hsl": {
    "h": 281.074,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57764,
    "c": 0.22413,
    "h": 312.9
  },
  "luminance": 0.16578
}

Semantic roles & 50–950 ramp

primary

#A640D5

secondary

#ADD899

accent

#E74175

background

#FCF8FE

surface

#F8EFFC

border

#D1CAD5

text

#130A15

muted

#827C84

Preview Lab

Preview with #A640D5

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

Preview Lab → · Contrast checker → · Palette generator →