#A663BB#A663BB

#A663BB is a mid, vivid purple. Relative luminance 0.206; OKLCH L 60.8% C 0.146 H 317.7°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#A663BB
RGB	rgb(166, 99, 187)
HSL	hsl(286, 39%, 56%)
HSV	hsv(286, 47%, 73%)
CMYK	cmyk(11.2%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(52.53, 41.82, -35.57)
CIE-LCH	lch(52.53, 54.90, 319.61°)
OKLab	oklab(60.8% 0.1083 -0.0985)
OKLCH	oklch(60.8% 0.146 317.7)
XYZ	xyz(29.1561, 20.6195, 49.4482)
Luminance	0.2062 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A663BB #78BB63

analogous

#7A63BB #A663BB #BB63A4

triadic

#A663BB #BBA663 #63BBA6

tetradic

#A663BB #BB7A63 #78BB63 #63A4BB

square

#A663BB #BB7A63 #78BB63 #63A4BB

split-complementary

#A663BB #A4BB63 #63BB7A

monochromatic

#633272 #87449D #A663BB #BE8ECE #D7B8E0

Accessibility & contrast

On white

4.10

#A663BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#A663BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A663BB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A663BB	#FFFFFF	#000000	##000000
##A663BB	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5479BE

Deuteranopia (green-blind)

#6680B9

Tritanopia (blue-blind)

#A66F86

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #a663bb;
/* rgb */ color: rgb(166, 99, 187);
/* oklch */ color: oklch(60.8% 0.146 317.7);

Tailwind

colors: {
  custom: {
    50: '#c291d0',
    500: '#a663bb',
    950: '#000000',
  },
}

SCSS

$custom: #a663bb;
$custom-light: #c291d0;
$custom-dark: #000000;

JSON

{
  "hex": "#a663bb",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 285.682,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.60801,
    "c": 0.1464,
    "h": 317.7
  },
  "luminance": 0.20619
}

Semantic roles & 50–950 ramp

primary

#A663BB

secondary

#B3CFAB

accent

#CF5975

background

#FCF9FC

surface

#F8F1F9

border

#D1CBD2

text

#130D14

muted

#827E82

Preview Lab

Preview with #A663BB

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

Preview Lab → · Contrast checker → · Palette generator →