#663A79#663A79

#663A79 is a dark, moderate purple. Relative luminance 0.072; OKLCH L 43.0% C 0.111 H 314.8°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#663A79
RGB	rgb(102, 58, 121)
HSL	hsl(282, 35%, 35%)
HSV	hsv(282, 52%, 47%)
CMYK	cmyk(15.7%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(32.33, 31.17, -28.30)
CIE-LCH	lch(32.33, 42.10, 317.76°)
OKLab	oklab(42.96% 0.0783 -0.0788)
OKLCH	oklch(42.96% 0.111 314.8)
XYZ	xyz(10.4432, 7.2317, 18.9312)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663A79 #4D793A

analogous

#463A79 #663A79 #793A6C

triadic

#663A79 #79663A #3A7966

tetradic

#663A79 #79463A #4D793A #3A6C79

square

#663A79 #79463A #4D793A #3A6C79

split-complementary

#663A79 #6C793A #3A7946

monochromatic

#201226 #432650 #663A79 #894EA2 #A572BB

Accessibility & contrast

On white

8.58

#663A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#663A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663A79

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663A79	#FFFFFF	#000000	##FFFFFF
##663A79	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C497B

Deuteranopia (green-blind)

#3A4D77

Tritanopia (blue-blind)

#654454

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #663a79;
/* rgb */ color: rgb(102, 58, 121);
/* oklch */ color: oklch(43.0% 0.111 314.8);

Tailwind

colors: {
  custom: {
    50: '#9372a0',
    500: '#663a79',
    950: '#000000',
  },
}

SCSS

$custom: #663a79;
$custom-light: #9372a0;
$custom-dark: #000000;

JSON

{
  "hex": "#663a79",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 281.905,
    "s": 35.196,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42957,
    "c": 0.11107,
    "h": 314.8
  },
  "luminance": 0.07231
}

Semantic roles & 50–950 ramp

primary

#663A79

secondary

#7CA56A

accent

#CB5D7E

background

#F9F6F9

surface

#F1ECF2

border

#CBC7CC

text

#0D080E

muted

#7E7B7E

Preview Lab

Preview with #663A79

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

Preview Lab → · Contrast checker → · Palette generator →