#663166#663166

#663166 is a dark, moderate purple. Relative luminance 0.060; OKLCH L 40.4% C 0.106 H 327.3°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#663166
RGB	rgb(102, 49, 102)
HSL	hsl(300, 35%, 30%)
HSV	hsv(300, 52%, 40%)
CMYK	cmyk(0%, 52%, 0%, 60%)
CIE-LAB	lab(29.36, 32.15, -20.89)
CIE-LCH	lch(29.36, 38.35, 326.99°)
OKLab	oklab(40.44% 0.0893 -0.0573)
OKLCH	oklch(40.44% 0.106 327.3)
XYZ	xyz(8.9759, 5.9812, 13.2495)
Luminance	0.0598 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663166 #316631

analogous

#4C3166 #663166 #66314C

triadic

#663166 #666631 #316666

tetradic

#663166 #664C31 #316631 #314C66

square

#663166 #664C31 #316631 #314C66

split-complementary

#663166 #4C6631 #31664C

monochromatic

#150A15 #3D1D3D #663166 #8F458F #B25FB2

Accessibility & contrast

On white

9.56

#663166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#663166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663166

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663166	#FFFFFF	#000000	##FFFFFF
##663166	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4168

Deuteranopia (green-blind)

#3C4864

Tritanopia (blue-blind)

#693747

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #663166;
/* rgb */ color: rgb(102, 49, 102);
/* oklch */ color: oklch(40.4% 0.106 327.3);

Tailwind

colors: {
  custom: {
    50: '#936b92',
    500: '#663166',
    950: '#000000',
  },
}

SCSS

$custom: #663166;
$custom-light: #936b92;
$custom-dark: #000000;

JSON

{
  "hex": "#663166",
  "rgb": {
    "r": 102,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 300,
    "s": 35.099,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40437,
    "c": 0.10614,
    "h": 327.3
  },
  "luminance": 0.05981
}

Semantic roles & 50–950 ramp

primary

#663166

secondary

#5C975C

accent

#CB5D5D

background

#F9F6F8

surface

#F1EBF0

border

#CBC6CB

text

#0D070D

muted

#7E7A7D

Preview Lab

Preview with #663166

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

Preview Lab → · Contrast checker → · Palette generator →