#663CAC#663CAC

#663CAC is a mid, vivid violet. Relative luminance 0.090; OKLCH L 46.7% C 0.170 H 296.4°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#663CAC
RGB	rgb(102, 60, 172)
HSL	hsl(263, 48%, 45%)
HSV	hsv(263, 65%, 67%)
CMYK	cmyk(40.7%, 65.1%, 0%, 32.5%)
CIE-LAB	lab(36.05, 43.05, -53.50)
CIE-LCH	lch(36.05, 68.67, 308.83°)
OKLab	oklab(46.74% 0.0759 -0.1525)
OKLCH	oklch(46.74% 0.17 296.4)
XYZ	xyz(14.5398, 9.0348, 39.9996)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CAC #82AC3C

analogous

#3C4AAC #663CAC #9E3CAC

triadic

#663CAC #AC663C #3CAC66

tetradic

#663CAC #AC3C4A #82AC3C #3CAC9E

square

#663CAC #AC3C4A #82AC3C #3CAC9E

split-complementary

#663CAC #AC9E3C #4AAC3C

monochromatic

#301C51 #4B2C7F #663CAC #865EC7 #A88CD7

Accessibility & contrast

On white

7.48

#663CAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#663CAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CAC

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CAC	#FFFFFF	#000000	##FFFFFF
##663CAC	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AF

Deuteranopia (green-blind)

#0053AA

Tritanopia (blue-blind)

#54566E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663cac;
/* rgb */ color: rgb(102, 60, 172);
/* oklch */ color: oklch(46.7% 0.170 296.4);

Tailwind

colors: {
  custom: {
    50: '#9774c5',
    500: '#663cac',
    950: '#000000',
  },
}

SCSS

$custom: #663cac;
$custom-light: #9774c5;
$custom-dark: #000000;

JSON

{
  "hex": "#663cac",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 172
  },
  "hsl": {
    "h": 262.5,
    "s": 48.276,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46736,
    "c": 0.17038,
    "h": 296.4
  },
  "luminance": 0.09035
}

Semantic roles & 50–950 ramp

primary

#663CAC

secondary

#AAC182

accent

#D850A5

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663CAC

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

Preview Lab → · Contrast checker → · Palette generator →