#A640D9#A640D9

#A640D9 is a mid, highly saturated purple. Relative luminance 0.168; OKLCH L 58.0% C 0.228 H 311.9°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#A640D9
RGB	rgb(166, 64, 217)
HSL	hsl(280, 67%, 55%)
HSV	hsv(280, 71%, 85%)
CMYK	cmyk(23.5%, 70.5%, 0%, 14.9%)
CIE-LAB	lab(47.99, 64.93, -60.03)
CIE-LCH	lch(47.99, 88.43, 317.25°)
OKLab	oklab(58.03% 0.1521 -0.1696)
OKLCH	oklch(58.03% 0.228 311.9)
XYZ	xyz(30.0814, 16.7843, 67.2873)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A640D9 #73D940

analogous

#5A40D9 #A640D9 #D940BF

triadic

#A640D9 #D9A640 #40D9A6

tetradic

#A640D9 #D95A40 #73D940 #40BFD9

square

#A640D9 #D95A40 #73D940 #40BFD9

split-complementary

#A640D9 #BFD940 #40D95A

monochromatic

#611A84 #8624B7 #A640D9 #BE73E3 #D6A6ED

Accessibility & contrast

On white

4.82

#A640D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#A640D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A640D9

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A640D9	#FFFFFF	#000000	##FFFFFF
##A640D9	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#2D74D6

Tritanopia (blue-blind)

#A06188

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #a640d9;
/* rgb */ color: rgb(166, 64, 217);
/* oklch */ color: oklch(58.0% 0.228 311.9);

Tailwind

colors: {
  custom: {
    50: '#c57de6',
    500: '#a640d9',
    950: '#000000',
  },
}

SCSS

$custom: #a640d9;
$custom-light: #c57de6;
$custom-dark: #000000;

JSON

{
  "hex": "#a640d9",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 217
  },
  "hsl": {
    "h": 280,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58034,
    "c": 0.22787,
    "h": 311.9
  },
  "luminance": 0.16784
}

Semantic roles & 50–950 ramp

primary

#A640D9

secondary

#B0DA9A

accent

#EA3E77

background

#FCF8FE

surface

#F9EFFC

border

#D2CAD5

text

#130A16

muted

#827C84

Preview Lab

Preview with #A640D9

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

Preview Lab → · Contrast checker → · Palette generator →