#A643D6#A643D6

#A643D6 is a mid, highly saturated purple. Relative luminance 0.170; OKLCH L 58.1% C 0.221 H 312.4°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#A643D6
RGB	rgb(166, 67, 214)
HSL	hsl(280, 64%, 55%)
HSV	hsv(280, 69%, 84%)
CMYK	cmyk(22.4%, 68.7%, 0%, 16.1%)
CIE-LAB	lab(48.23, 63.08, -57.92)
CIE-LCH	lch(48.23, 85.64, 317.44°)
OKLab	oklab(58.15% 0.1494 -0.1635)
OKLCH	oklch(58.15% 0.221 312.4)
XYZ	xyz(29.8685, 16.9772, 65.3088)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A643D6 #73D643

analogous

#5C43D6 #A643D6 #D643BD

triadic

#A643D6 #D6A643 #43D6A6

tetradic

#A643D6 #D65C43 #73D643 #43BDD6

square

#A643D6 #D65C43 #73D643 #43BDD6

split-complementary

#A643D6 #BDD643 #43D65C

monochromatic

#611C82 #8627B4 #A643D6 #BE75E1 #D6A7EC

Accessibility & contrast

On white

4.78

#A643D6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#A643D6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A643D6

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A643D6	#FFFFFF	#000000	##FFFFFF
##A643D6	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDA

Deuteranopia (green-blind)

#3575D3

Tritanopia (blue-blind)

#A16288

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #a643d6;
/* rgb */ color: rgb(166, 67, 214);
/* oklch */ color: oklch(58.1% 0.221 312.4);

Tailwind

colors: {
  custom: {
    50: '#c57fe3',
    500: '#a643d6',
    950: '#000000',
  },
}

SCSS

$custom: #a643d6;
$custom-light: #c57fe3;
$custom-dark: #000000;

JSON

{
  "hex": "#a643d6",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 214
  },
  "hsl": {
    "h": 280.408,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58146,
    "c": 0.22147,
    "h": 312.4
  },
  "luminance": 0.16976
}

Semantic roles & 50–950 ramp

primary

#A643D6

secondary

#B0D99C

accent

#E74177

background

#FCF8FE

surface

#F8EFFC

border

#D1CAD5

text

#130B16

muted

#827C84

Preview Lab

Preview with #A643D6

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

Preview Lab → · Contrast checker → · Palette generator →