#A666BC#A666BC

#A666BC is a mid, vivid purple. Relative luminance 0.212; OKLCH L 61.3% C 0.142 H 317.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#A666BC
RGB	rgb(166, 102, 188)
HSL	hsl(285, 39%, 57%)
HSV	hsv(285, 46%, 74%)
CMYK	cmyk(11.7%, 45.7%, 0%, 26.3%)
CIE-LAB	lab(53.21, 40.40, -35.08)
CIE-LCH	lch(53.21, 53.51, 319.03°)
OKLab	oklab(61.33% 0.1042 -0.0971)
OKLCH	oklch(61.33% 0.142 317)
XYZ	xyz(29.5530, 21.2415, 50.1104)
Luminance	0.2124 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A666BC #7CBC66

analogous

#7B66BC #A666BC #BC66A7

triadic

#A666BC #BCA666 #66BCA6

tetradic

#A666BC #BC7B66 #7CBC66 #66A7BC

square

#A666BC #BC7B66 #7CBC66 #66A7BC

split-complementary

#A666BC #A7BC66 #66BC7B

monochromatic

#643375 #88469F #A666BC #BF91CF #D8BBE1

Accessibility & contrast

On white

4.00

#A666BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#A666BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A666BC

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A666BC	#FFFFFF	#000000	##000000
##A666BC	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577BBF

Deuteranopia (green-blind)

#6881BA

Tritanopia (blue-blind)

#A57288

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #a666bc;
/* rgb */ color: rgb(166, 102, 188);
/* oklch */ color: oklch(61.3% 0.142 317.0);

Tailwind

colors: {
  custom: {
    50: '#c293d0',
    500: '#a666bc',
    950: '#000000',
  },
}

SCSS

$custom: #a666bc;
$custom-light: #c293d0;
$custom-dark: #000000;

JSON

{
  "hex": "#a666bc",
  "rgb": {
    "r": 166,
    "g": 102,
    "b": 188
  },
  "hsl": {
    "h": 284.651,
    "s": 39.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.61325,
    "c": 0.14238,
    "h": 317
  },
  "luminance": 0.21241
}

Semantic roles & 50–950 ramp

primary

#A666BC

secondary

#B6D0AD

accent

#CF5977

background

#FCF9FC

surface

#F8F1F9

border

#D1CBD2

text

#130D14

muted

#827E82

Preview Lab

Preview with #A666BC

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

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