#A663BC#A663BC

#A663BC is a mid, vivid purple. Relative luminance 0.207; OKLCH L 60.9% C 0.147 H 317.3°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#A663BC
RGB	rgb(166, 99, 188)
HSL	hsl(285, 40%, 56%)
HSV	hsv(285, 47%, 74%)
CMYK	cmyk(11.7%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(52.58, 42.03, -36.08)
CIE-LCH	lch(52.58, 55.39, 319.36°)
OKLab	oklab(60.85% 0.1085 -0.0999)
OKLCH	oklch(60.85% 0.148 317.3)
XYZ	xyz(29.2635, 20.6624, 50.0139)
Luminance	0.2066 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A663BC #79BC63

analogous

#7A63BC #A663BC #BC63A6

triadic

#A663BC #BCA663 #63BCA6

tetradic

#A663BC #BC7A63 #79BC63 #63A6BC

square

#A663BC #BC7A63 #79BC63 #63A6BC

split-complementary

#A663BC #A6BC63 #63BC7A

monochromatic

#633173 #88449E #A663BC #BE8ECE #D7B9E1

Accessibility & contrast

On white

4.09

#A663BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#A663BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #A663BC

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A663BC	#FFFFFF	#000000	##000000
##A663BC	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#6680BA

Tritanopia (blue-blind)

#A66F87

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #a663bc;
/* rgb */ color: rgb(166, 99, 188);
/* oklch */ color: oklch(60.9% 0.147 317.3);

Tailwind

colors: {
  custom: {
    50: '#c291d0',
    500: '#a663bc',
    950: '#000000',
  },
}

SCSS

$custom: #a663bc;
$custom-light: #c291d0;
$custom-dark: #000000;

JSON

{
  "hex": "#a663bc",
  "rgb": {
    "r": 166,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 285.169,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.60852,
    "c": 0.1475,
    "h": 317.3
  },
  "luminance": 0.20662
}

Semantic roles & 50–950 ramp

primary

#A663BC

secondary

#B4D0AB

accent

#D05876

background

#FCF9FC

surface

#F8F1F9

border

#D1CBD2

text

#130D14

muted

#827E82

Preview Lab

Preview with #A663BC

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

Preview Lab → · Contrast checker → · Palette generator →