#A666DD#A666DD

#A666DD is a light, vivid violet. Relative luminance 0.228; OKLCH L 63.1% C 0.180 H 306.8°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#A666DD
RGB	rgb(166, 102, 221)
HSL	hsl(272, 64%, 63%)
HSV	hsv(272, 54%, 87%)
CMYK	cmyk(24.9%, 53.8%, 0%, 13.3%)
CIE-LAB	lab(54.90, 47.69, -51.22)
CIE-LCH	lch(54.90, 69.98, 312.95°)
OKLab	oklab(63.12% 0.1077 -0.144)
OKLCH	oklch(63.12% 0.18 306.8)
XYZ	xyz(33.5257, 22.8305, 71.0332)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A666DD #9DDD66

analogous

#6A66DD #A666DD #DD66D8

triadic

#A666DD #DDA666 #66DDA6

tetradic

#A666DD #DD6A66 #9DDD66 #66D8DD

square

#A666DD #DD6A66 #9DDD66 #66D8DD

split-complementary

#A666DD #D8DD66 #66DD6A

monochromatic

#6924A4 #8934D2 #A666DD #C398E8 #E0CAF3

Accessibility & contrast

On white

3.77

#A666DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#A666DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A666DD

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A666DD	#FFFFFF	#000000	##000000
##A666DD	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F81E1

Deuteranopia (green-blind)

#5484DA

Tritanopia (blue-blind)

#9D7C98

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #a666dd;
/* rgb */ color: rgb(166, 102, 221);
/* oklch */ color: oklch(63.1% 0.180 306.8);

Tailwind

colors: {
  custom: {
    50: '#c394e8',
    500: '#a666dd',
    950: '#000000',
  },
}

SCSS

$custom: #a666dd;
$custom-light: #c394e8;
$custom-dark: #000000;

JSON

{
  "hex": "#a666dd",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 221
  },
  "hsl": {
    "h": 272.269,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.63121,
    "c": 0.17984,
    "h": 306.8
  },
  "luminance": 0.2283
}

Semantic roles & 50–950 ramp

primary

#A666DD

secondary

#CEE5BA

accent

#CB1A6C

background

#FCF9FE

surface

#F8F2FD

border

#D1CCD5

text

#130D16

muted

#827E84

Preview Lab

Preview with #A666DD

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

Preview Lab → · Contrast checker → · Palette generator →