#A666D9#A666D9

#A666D9 is a light, vivid violet. Relative luminance 0.226; OKLCH L 62.9% C 0.175 H 307.8°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#A666D9
RGB	rgb(166, 102, 217)
HSL	hsl(273, 60%, 63%)
HSV	hsv(273, 53%, 85%)
CMYK	cmyk(23.5%, 53%, 0%, 14.9%)
CIE-LAB	lab(54.68, 46.77, -49.31)
CIE-LCH	lch(54.68, 67.96, 313.48°)
OKLab	oklab(62.89% 0.1075 -0.1384)
OKLCH	oklch(62.89% 0.175 307.8)
XYZ	xyz(32.9991, 22.6199, 68.2599)
Luminance	0.2262 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A666D9 #99D966

analogous

#6C66D9 #A666D9 #D966D3

triadic

#A666D9 #D9A666 #66D9A6

tetradic

#A666D9 #D96C66 #99D966 #66D3D9

square

#A666D9 #D96C66 #99D966 #66D3D9

split-complementary

#A666D9 #D3D966 #66D96C

monochromatic

#69279D #8935CD #A666D9 #C397E5 #DFC8F1

Accessibility & contrast

On white

3.80

#A666D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#A666D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A666D9

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A666D9	#FFFFFF	#000000	##000000
##A666D9	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4380DD

Deuteranopia (green-blind)

#5784D6

Tritanopia (blue-blind)

#9F7A96

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #a666d9;
/* rgb */ color: rgb(166, 102, 217);
/* oklch */ color: oklch(62.9% 0.175 307.8);

Tailwind

colors: {
  custom: {
    50: '#c394e5',
    500: '#a666d9',
    950: '#000000',
  },
}

SCSS

$custom: #a666d9;
$custom-light: #c394e5;
$custom-dark: #000000;

JSON

{
  "hex": "#a666d9",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 217
  },
  "hsl": {
    "h": 273.391,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.62889,
    "c": 0.17525,
    "h": 307.8
  },
  "luminance": 0.22619
}

Semantic roles & 50–950 ramp

primary

#A666D9

secondary

#CBE2B8

accent

#C81E69

background

#FCF9FE

surface

#F8F2FC

border

#D1CCD5

text

#130D16

muted

#827E84

Preview Lab

Preview with #A666D9

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

Preview Lab → · Contrast checker → · Palette generator →