#A640D4#A640D4

#A640D4 is a mid, highly saturated purple. Relative luminance 0.165; OKLCH L 57.7% C 0.223 H 313.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#A640D4
RGB	rgb(166, 64, 212)
HSL	hsl(281, 63%, 54%)
HSV	hsv(281, 70%, 83%)
CMYK	cmyk(21.7%, 69.8%, 0%, 16.9%)
CIE-LAB	lab(47.66, 63.91, -57.70)
CIE-LCH	lch(47.66, 86.10, 317.92°)
OKLab	oklab(57.7% 0.1527 -0.1628)
OKLCH	oklch(57.7% 0.223 313.2)
XYZ	xyz(29.4409, 16.5281, 63.9140)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A640D4 #6ED440

analogous

#5C40D4 #A640D4 #D440B8

triadic

#A640D4 #D4A640 #40D4A6

tetradic

#A640D4 #D45C40 #6ED440 #40B8D4

square

#A640D4 #D45C40 #6ED440 #40B8D4

split-complementary

#A640D4 #B8D440 #40D45C

monochromatic

#5F1C7D #8527AF #A640D4 #BD72DF #D5A4EA

Accessibility & contrast

On white

4.88

#A640D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#A640D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A640D4

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A640D4	#FFFFFF	#000000	##FFFFFF
##A640D4	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD8

Deuteranopia (green-blind)

#3473D1

Tritanopia (blue-blind)

#A15F86

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #a640d4;
/* rgb */ color: rgb(166, 64, 212);
/* oklch */ color: oklch(57.7% 0.223 313.2);

Tailwind

colors: {
  custom: {
    50: '#c57de2',
    500: '#a640d4',
    950: '#000000',
  },
}

SCSS

$custom: #a640d4;
$custom-light: #c57de2;
$custom-dark: #000000;

JSON

{
  "hex": "#a640d4",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 212
  },
  "hsl": {
    "h": 281.351,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57697,
    "c": 0.2232,
    "h": 313.2
  },
  "luminance": 0.16527
}

Semantic roles & 50–950 ramp

primary

#A640D4

secondary

#ACD798

accent

#E64275

background

#FCF8FD

surface

#F8EFFB

border

#D1CAD4

text

#130A15

muted

#827C83

Preview Lab

Preview with #A640D4

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

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