#A666E5#A666E5

#A666E5 is a light, vivid violet. Relative luminance 0.233; OKLCH L 63.6% C 0.189 H 304.9°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#A666E5
RGB	rgb(166, 102, 229)
HSL	hsl(270, 71%, 65%)
HSV	hsv(270, 55%, 90%)
CMYK	cmyk(27.5%, 55.5%, 0%, 10.2%)
CIE-LAB	lab(55.35, 49.54, -55.01)
CIE-LCH	lch(55.35, 74.03, 312.01°)
OKLab	oklab(63.6% 0.1081 -0.1551)
OKLCH	oklch(63.6% 0.189 304.9)
XYZ	xyz(34.6170, 23.2671, 76.7809)
Luminance	0.2327 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A666E5 #A5E566

analogous

#6666E5 #A666E5 #E566E5

triadic

#A666E5 #E5A666 #66E5A6

tetradic

#A666E5 #E56666 #A5E566 #66E5E5

square

#A666E5 #E56666 #A5E566 #66E5E5

split-complementary

#A666E5 #E5E566 #66E566

monochromatic

#691EB2 #8832DC #A666E5 #C49AEE #E3CFF7

Accessibility & contrast

On white

3.71

#A666E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#A666E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A666E5

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A666E5	#FFFFFF	#000000	##000000
##A666E5	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3683E9

Deuteranopia (green-blind)

#4E85E2

Tritanopia (blue-blind)

#9B7E9C

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #a666e5;
/* rgb */ color: rgb(166, 102, 229);
/* oklch */ color: oklch(63.6% 0.189 304.9);

Tailwind

colors: {
  custom: {
    50: '#c494ee',
    500: '#a666e5',
    950: '#000000',
  },
}

SCSS

$custom: #a666e5;
$custom-light: #c494ee;
$custom-dark: #000000;

JSON

{
  "hex": "#a666e5",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 229
  },
  "hsl": {
    "h": 270.236,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.63597,
    "c": 0.18902,
    "h": 304.9
  },
  "luminance": 0.23267
}

Semantic roles & 50–950 ramp

primary

#A666E5

secondary

#D3E9BE

accent

#D31372

background

#FCF9FE

surface

#F8F2FD

border

#D1CCD5

text

#130D16

muted

#827E84

Preview Lab

Preview with #A666E5

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

Preview Lab → · Contrast checker → · Palette generator →