#663196#663196

#663196 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.5% C 0.160 H 304.7°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#663196
RGB	rgb(102, 49, 150)
HSL	hsl(271, 51%, 39%)
HSV	hsv(271, 67%, 59%)
CMYK	cmyk(32%, 67.3%, 0%, 41.2%)
CIE-LAB	lab(32.31, 43.17, -46.28)
CIE-LCH	lch(32.31, 63.28, 313.01°)
OKLab	oklab(43.53% 0.0908 -0.1313)
OKLCH	oklch(43.53% 0.16 304.7)
XYZ	xyz(12.0816, 7.2235, 29.6060)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663196 #619631

analogous

#343196 #663196 #963194

triadic

#663196 #966631 #319666

tetradic

#663196 #963431 #619631 #319496

square

#663196 #963431 #619631 #319496

split-complementary

#663196 #949631 #319634

monochromatic

#27133A #472268 #663196 #8543C1 #A371D1

Accessibility & contrast

On white

8.59

#663196 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#663196 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663196

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663196	#FFFFFF	#000000	##FFFFFF
##663196	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B99

Deuteranopia (green-blind)

#114C94

Tritanopia (blue-blind)

#5D475F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #663196;
/* rgb */ color: rgb(102, 49, 150);
/* oklch */ color: oklch(43.5% 0.160 304.7);

Tailwind

colors: {
  custom: {
    50: '#966db5',
    500: '#663196',
    950: '#000000',
  },
}

SCSS

$custom: #663196;
$custom-light: #966db5;
$custom-dark: #000000;

JSON

{
  "hex": "#663196",
  "rgb": {
    "r": 102,
    "g": 49,
    "b": 150
  },
  "hsl": {
    "h": 271.485,
    "s": 50.754,
    "l": 39.02
  },
  "oklch": {
    "l": 0.43533,
    "c": 0.15965,
    "h": 304.7
  },
  "luminance": 0.07223
}

Semantic roles & 50–950 ramp

primary

#663196

secondary

#8FB86A

accent

#DA4E90

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #663196

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

Preview Lab → · Contrast checker → · Palette generator →