#663DAC#663DAC

#663DAC is a mid, vivid violet. Relative luminance 0.091; OKLCH L 46.9% C 0.169 H 296.3°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#663DAC
RGB	rgb(102, 61, 172)
HSL	hsl(262, 48%, 46%)
HSV	hsv(262, 65%, 67%)
CMYK	cmyk(40.7%, 64.5%, 0%, 32.5%)
CIE-LAB	lab(36.25, 42.50, -53.17)
CIE-LCH	lch(36.25, 68.07, 308.64°)
OKLab	oklab(46.88% 0.0748 -0.1516)
OKLCH	oklch(46.88% 0.169 296.3)
XYZ	xyz(14.5927, 9.1405, 40.0172)
Luminance	0.0914 (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

#663DAC #83AC3D

analogous

#3D4CAC #663DAC #9D3DAC

triadic

#663DAC #AC663D #3DAC66

tetradic

#663DAC #AC3D4C #83AC3D #3DAC9D

square

#663DAC #AC3D4C #83AC3D #3DAC9D

split-complementary

#663DAC #AC9D3D #4CAC3D

monochromatic

#301D52 #4B2D7F #663DAC #8660C7 #A88DD7

Accessibility & contrast

On white

7.43

#663DAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#663DAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DAC

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DAC	#FFFFFF	#000000	##FFFFFF
##663DAC	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#0054AA

Tritanopia (blue-blind)

#54566F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663dac;
/* rgb */ color: rgb(102, 61, 172);
/* oklch */ color: oklch(46.9% 0.169 296.3);

Tailwind

colors: {
  custom: {
    50: '#9775c5',
    500: '#663dac',
    950: '#000000',
  },
}

SCSS

$custom: #663dac;
$custom-light: #9775c5;
$custom-dark: #000000;

JSON

{
  "hex": "#663dac",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 172
  },
  "hsl": {
    "h": 262.162,
    "s": 47.639,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46882,
    "c": 0.16902,
    "h": 296.3
  },
  "luminance": 0.09141
}

Semantic roles & 50–950 ramp

primary

#663DAC

secondary

#AAC184

accent

#D751A5

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663DAC

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

Preview Lab → · Contrast checker → · Palette generator →