#663299#663299

#663299 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 43.9% C 0.162 H 303.5°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#663299
RGB	rgb(102, 50, 153)
HSL	hsl(270, 51%, 40%)
HSV	hsv(270, 67%, 60%)
CMYK	cmyk(33.3%, 67.3%, 0%, 40%)
CIE-LAB	lab(32.71, 43.40, -47.45)
CIE-LCH	lch(32.71, 64.31, 312.45°)
OKLab	oklab(43.89% 0.0894 -0.1348)
OKLCH	oklch(43.89% 0.162 303.5)
XYZ	xyz(12.3685, 7.4059, 30.9087)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663299 #659932

analogous

#323299 #663299 #993299

triadic

#663299 #996632 #329966

tetradic

#663299 #993232 #659932 #329999

square

#663299 #993232 #659932 #329999

split-complementary

#663299 #999932 #329932

monochromatic

#28143D #47236B #663299 #8546C2 #A374D2

Accessibility & contrast

On white

8.46

#663299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#663299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663299

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663299	#FFFFFF	#000000	##FFFFFF
##663299	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9C

Deuteranopia (green-blind)

#0C4D97

Tritanopia (blue-blind)

#5C4961

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #663299;
/* rgb */ color: rgb(102, 50, 153);
/* oklch */ color: oklch(43.9% 0.162 303.5);

Tailwind

colors: {
  custom: {
    50: '#966db8',
    500: '#663299',
    950: '#000000',
  },
}

SCSS

$custom: #663299;
$custom-light: #966db8;
$custom-dark: #000000;

JSON

{
  "hex": "#663299",
  "rgb": {
    "r": 102,
    "g": 50,
    "b": 153
  },
  "hsl": {
    "h": 270.291,
    "s": 50.739,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43891,
    "c": 0.16169,
    "h": 303.5
  },
  "luminance": 0.07406
}

Semantic roles & 50–950 ramp

primary

#663299

secondary

#93BA6D

accent

#DA4E93

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #663299

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

Preview Lab → · Contrast checker → · Palette generator →