#A666E4#A666E4

#A666E4 is a light, vivid violet. Relative luminance 0.232; OKLCH L 63.5% C 0.188 H 305.1°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#A666E4
RGB	rgb(166, 102, 228)
HSL	hsl(270, 70%, 65%)
HSV	hsv(270, 55%, 89%)
CMYK	cmyk(27.2%, 55.3%, 0%, 10.6%)
CIE-LAB	lab(55.29, 49.31, -54.54)
CIE-LCH	lch(55.29, 73.52, 312.12°)
OKLab	oklab(63.54% 0.1081 -0.1537)
OKLCH	oklch(63.54% 0.188 305.1)
XYZ	xyz(34.4778, 23.2114, 76.0476)
Luminance	0.2321 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A666E4 #A4E466

analogous

#6766E4 #A666E4 #E466E3

triadic

#A666E4 #E4A666 #66E4A6

tetradic

#A666E4 #E46766 #A4E466 #66E3E4

square

#A666E4 #E46766 #A4E466 #66E3E4

split-complementary

#A666E4 #E3E466 #66E467

monochromatic

#691FB0 #8832DB #A666E4 #C49AED #E3CEF6

Accessibility & contrast

On white

3.72

#A666E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#A666E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A666E4

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A666E4	#FFFFFF	#000000	##000000
##A666E4	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3883E8

Deuteranopia (green-blind)

#4F85E1

Tritanopia (blue-blind)

#9B7E9B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #a666e4;
/* rgb */ color: rgb(166, 102, 228);
/* oklch */ color: oklch(63.5% 0.188 305.1);

Tailwind

colors: {
  custom: {
    50: '#c494ed',
    500: '#a666e4',
    950: '#000000',
  },
}

SCSS

$custom: #a666e4;
$custom-light: #c494ed;
$custom-dark: #000000;

JSON

{
  "hex": "#a666e4",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 228
  },
  "hsl": {
    "h": 270.476,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.63537,
    "c": 0.18787,
    "h": 305.1
  },
  "luminance": 0.23211
}

Semantic roles & 50–950 ramp

primary

#A666E4

secondary

#D3E9BD

accent

#D21471

background

#FCF9FE

surface

#F8F2FD

border

#D1CCD5

text

#130D16

muted

#827E84

Preview Lab

Preview with #A666E4

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

Preview Lab → · Contrast checker → · Palette generator →