#A643D5#A643D5

#A643D5 is a mid, highly saturated purple. Relative luminance 0.169; OKLCH L 58.1% C 0.221 H 312.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#A643D5
RGB	rgb(166, 67, 213)
HSL	hsl(281, 63%, 55%)
HSV	hsv(281, 69%, 84%)
CMYK	cmyk(22.1%, 68.5%, 0%, 16.5%)
CIE-LAB	lab(48.17, 62.87, -57.46)
CIE-LCH	lch(48.17, 85.17, 317.58°)
OKLab	oklab(58.08% 0.1495 -0.1621)
OKLCH	oklch(58.08% 0.221 312.7)
XYZ	xyz(29.7411, 16.9262, 64.6383)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A643D5 #72D543

analogous

#5D43D5 #A643D5 #D543BB

triadic

#A643D5 #D5A643 #43D5A6

tetradic

#A643D5 #D55D43 #72D543 #43BBD5

square

#A643D5 #D55D43 #72D543 #43BBD5

split-complementary

#A643D5 #BBD543 #43D55D

monochromatic

#611D81 #8628B3 #A643D5 #BE75E0 #D5A7EB

Accessibility & contrast

On white

4.79

#A643D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#A643D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A643D5

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A643D5	#FFFFFF	#000000	##FFFFFF
##A643D5	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD9

Deuteranopia (green-blind)

#3674D2

Tritanopia (blue-blind)

#A16187

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #a643d5;
/* rgb */ color: rgb(166, 67, 213);
/* oklch */ color: oklch(58.1% 0.221 312.7);

Tailwind

colors: {
  custom: {
    50: '#c57fe3',
    500: '#a643d5',
    950: '#000000',
  },
}

SCSS

$custom: #a643d5;
$custom-light: #c57fe3;
$custom-dark: #000000;

JSON

{
  "hex": "#a643d5",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 213
  },
  "hsl": {
    "h": 280.685,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5808,
    "c": 0.22051,
    "h": 312.7
  },
  "luminance": 0.16925
}

Semantic roles & 50–950 ramp

primary

#A643D5

secondary

#AFD99B

accent

#E74176

background

#FCF8FE

surface

#F8EFFC

border

#D1CAD5

text

#130B15

muted

#827C84

Preview Lab

Preview with #A643D5

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

Preview Lab → · Contrast checker → · Palette generator →