#A666F4#A666F4

#A666F4 is a light, highly saturated violet. Relative luminance 0.241; OKLCH L 64.5% C 0.206 H 301.7°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#A666F4
RGB	rgb(166, 102, 244)
HSL	hsl(267, 87%, 68%)
HSV	hsv(267, 58%, 96%)
CMYK	cmyk(32%, 58.2%, 0%, 4.3%)
CIE-LAB	lab(56.23, 53.10, -61.97)
CIE-LCH	lch(56.23, 81.61, 310.59°)
OKLab	oklab(64.53% 0.1082 -0.1755)
OKLCH	oklch(64.53% 0.206 301.7)
XYZ	xyz(36.8026, 24.1413, 88.2913)
Luminance	0.2414 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A666F4 #B4F466

analogous

#666DF4 #A666F4 #ED66F4

triadic

#A666F4 #F4A666 #66F4A6

tetradic

#A666F4 #F4666D #B4F466 #66F4ED

square

#A666F4 #F4666D #B4F466 #66F4ED

split-complementary

#A666F4 #F4ED66 #6DF466

monochromatic

#660FD1 #852DF0 #A666F4 #C79FF8 #E8D8FC

Accessibility & contrast

On white

3.60

#A666F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#A666F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A666F4

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A666F4	#FFFFFF	#000000	##000000
##A666F4	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D86F9

Deuteranopia (green-blind)

#3E86F1

Tritanopia (blue-blind)

#9683A3

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #a666f4;
/* rgb */ color: rgb(166, 102, 244);
/* oklch */ color: oklch(64.5% 0.206 301.7);

Tailwind

colors: {
  custom: {
    50: '#c594f8',
    500: '#a666f4',
    950: '#000000',
  },
}

SCSS

$custom: #a666f4;
$custom-light: #c594f8;
$custom-dark: #000000;

JSON

{
  "hex": "#a666f4",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 244
  },
  "hsl": {
    "h": 267.042,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.64527,
    "c": 0.20617,
    "h": 301.7
  },
  "luminance": 0.24141
}

Semantic roles & 50–950 ramp

primary

#A666F4

secondary

#DDF1C5

accent

#E3027E

background

#FCF9FF

surface

#F8F2FF

border

#D1CCD7

text

#130D17

muted

#827E85

Preview Lab

Preview with #A666F4

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

Preview Lab → · Contrast checker → · Palette generator →