#A666F7#A666F7

#A666F7 is a light, highly saturated violet. Relative luminance 0.243; OKLCH L 64.7% C 0.210 H 301.1°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#A666F7
RGB	rgb(166, 102, 247)
HSL	hsl(266, 90%, 68%)
HSV	hsv(266, 59%, 97%)
CMYK	cmyk(32.8%, 58.7%, 0%, 3.1%)
CIE-LAB	lab(56.41, 53.82, -63.34)
CIE-LCH	lch(56.41, 83.12, 310.36°)
OKLab	oklab(64.72% 0.1082 -0.1795)
OKLCH	oklch(64.72% 0.21 301.1)
XYZ	xyz(37.2618, 24.3250, 90.7098)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A666F7 #B7F766

analogous

#666EF7 #A666F7 #EF66F7

triadic

#A666F7 #F7A666 #66F7A6

tetradic

#A666F7 #F7666E #B7F766 #66F7EF

square

#A666F7 #F7666E #B7F766 #66F7EF

split-complementary

#A666F7 #F7EF66 #6EF766

monochromatic

#650BD7 #842CF4 #A666F7 #C8A0FA #EADAFD

Accessibility & contrast

On white

3.58

#A666F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#A666F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A666F7

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A666F7	#FFFFFF	#000000	##000000
##A666F7	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1587FC

Deuteranopia (green-blind)

#3A86F4

Tritanopia (blue-blind)

#9584A5

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #a666f7;
/* rgb */ color: rgb(166, 102, 247);
/* oklch */ color: oklch(64.7% 0.210 301.1);

Tailwind

colors: {
  custom: {
    50: '#c594fb',
    500: '#a666f7',
    950: '#000000',
  },
}

SCSS

$custom: #a666f7;
$custom-light: #c594fb;
$custom-dark: #000000;

JSON

{
  "hex": "#a666f7",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 247
  },
  "hsl": {
    "h": 266.483,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.64719,
    "c": 0.20959,
    "h": 301.1
  },
  "luminance": 0.24325
}

Semantic roles & 50–950 ramp

primary

#A666F7

secondary

#DFF2C7

accent

#E60080

background

#FCF9FF

surface

#F8F2FF

border

#D1CCD7

text

#130D17

muted

#827E85

Preview Lab

Preview with #A666F7

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

Preview Lab → · Contrast checker → · Palette generator →