#A666E7#A666E7

#A666E7 is a light, vivid violet. Relative luminance 0.234; OKLCH L 63.7% C 0.191 H 304.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#A666E7
RGB	rgb(166, 102, 231)
HSL	hsl(270, 73%, 65%)
HSV	hsv(270, 56%, 91%)
CMYK	cmyk(28.1%, 55.8%, 0%, 9.4%)
CIE-LAB	lab(55.46, 50.01, -55.94)
CIE-LCH	lch(55.46, 75.04, 311.80°)
OKLab	oklab(63.72% 0.1081 -0.1578)
OKLCH	oklch(63.72% 0.191 304.4)
XYZ	xyz(34.8979, 23.3794, 78.2600)
Luminance	0.2338 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A666E7 #A7E766

analogous

#6667E7 #A666E7 #E666E7

triadic

#A666E7 #E7A666 #66E7A6

tetradic

#A666E7 #E76667 #A7E766 #66E7E6

square

#A666E7 #E76667 #A7E766 #66E7E6

split-complementary

#A666E7 #E7E666 #67E766

monochromatic

#691DB6 #8731DF #A666E7 #C59BEF #E4D0F8

Accessibility & contrast

On white

3.70

#A666E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#A666E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A666E7

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A666E7	#FFFFFF	#000000	##000000
##A666E7	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3483EB

Deuteranopia (green-blind)

#4C85E4

Tritanopia (blue-blind)

#9B7F9D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #a666e7;
/* rgb */ color: rgb(166, 102, 231);
/* oklch */ color: oklch(63.7% 0.191 304.4);

Tailwind

colors: {
  custom: {
    50: '#c494ef',
    500: '#a666e7',
    950: '#000000',
  },
}

SCSS

$custom: #a666e7;
$custom-light: #c494ef;
$custom-dark: #000000;

JSON

{
  "hex": "#a666e7",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 231
  },
  "hsl": {
    "h": 269.767,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.63718,
    "c": 0.19131,
    "h": 304.4
  },
  "luminance": 0.23379
}

Semantic roles & 50–950 ramp

primary

#A666E7

secondary

#D5EABF

accent

#D51174

background

#FCF9FE

surface

#F8F2FD

border

#D1CCD5

text

#130D16

muted

#827E84

Preview Lab

Preview with #A666E7

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

Preview Lab → · Contrast checker → · Palette generator →