#A643D7#A643D7

#A643D7 is a mid, highly saturated purple. Relative luminance 0.170; OKLCH L 58.2% C 0.222 H 312.2°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#A643D7
RGB	rgb(166, 67, 215)
HSL	hsl(280, 65%, 55%)
HSV	hsv(280, 69%, 84%)
CMYK	cmyk(22.8%, 68.8%, 0%, 15.7%)
CIE-LAB	lab(48.30, 63.28, -58.39)
CIE-LCH	lch(48.30, 86.11, 317.30°)
OKLab	oklab(58.21% 0.1493 -0.1648)
OKLCH	oklch(58.21% 0.222 312.2)
XYZ	xyz(29.9966, 17.0284, 65.9835)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A643D7 #74D743

analogous

#5C43D7 #A643D7 #D743BE

triadic

#A643D7 #D7A643 #43D7A6

tetradic

#A643D7 #D75C43 #74D743 #43BED7

square

#A643D7 #D75C43 #74D743 #43BED7

split-complementary

#A643D7 #BED743 #43D75C

monochromatic

#611C84 #8727B6 #A643D7 #BE75E2 #D6A8EC

Accessibility & contrast

On white

4.77

#A643D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#A643D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A643D7

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A643D7	#FFFFFF	#000000	##FFFFFF
##A643D7	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDB

Deuteranopia (green-blind)

#3375D4

Tritanopia (blue-blind)

#A06288

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #a643d7;
/* rgb */ color: rgb(166, 67, 215);
/* oklch */ color: oklch(58.2% 0.222 312.2);

Tailwind

colors: {
  custom: {
    50: '#c57fe4',
    500: '#a643d7',
    950: '#000000',
  },
}

SCSS

$custom: #a643d7;
$custom-light: #c57fe4;
$custom-dark: #000000;

JSON

{
  "hex": "#a643d7",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 215
  },
  "hsl": {
    "h": 280.135,
    "s": 64.912,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58213,
    "c": 0.22242,
    "h": 312.2
  },
  "luminance": 0.17028
}

Semantic roles & 50–950 ramp

primary

#A643D7

secondary

#B0DA9C

accent

#E84078

background

#FCF8FE

surface

#F8EFFC

border

#D1CAD5

text

#130B16

muted

#827C84

Preview Lab

Preview with #A643D7

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

Preview Lab → · Contrast checker → · Palette generator →