#663CAE#663CAE

#663CAE is a mid, vivid violet. Relative luminance 0.091; OKLCH L 46.9% C 0.173 H 296.0°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#663CAE
RGB	rgb(102, 60, 174)
HSL	hsl(262, 49%, 46%)
HSV	hsv(262, 66%, 68%)
CMYK	cmyk(41.4%, 65.5%, 0%, 31.8%)
CIE-LAB	lab(36.20, 43.59, -54.45)
CIE-LCH	lch(36.20, 69.75, 308.68°)
OKLab	oklab(46.89% 0.0757 -0.1553)
OKLCH	oklch(46.89% 0.173 296)
XYZ	xyz(14.7333, 9.1122, 41.0188)
Luminance	0.0911 (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

#663CAE #84AE3C

analogous

#3C4BAE #663CAE #9F3CAE

triadic

#663CAE #AE663C #3CAE66

tetradic

#663CAE #AE3C4B #84AE3C #3CAE9F

square

#663CAE #AE3C4B #84AE3C #3CAE9F

split-complementary

#663CAE #AE9F3C #4BAE3C

monochromatic

#311D53 #4B2C80 #663CAE #865FC8 #A88DD8

Accessibility & contrast

On white

7.44

#663CAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#663CAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CAE

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CAE	#FFFFFF	#000000	##FFFFFF
##663CAE	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B2

Deuteranopia (green-blind)

#0054AC

Tritanopia (blue-blind)

#545670

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663cae;
/* rgb */ color: rgb(102, 60, 174);
/* oklch */ color: oklch(46.9% 0.173 296.0);

Tailwind

colors: {
  custom: {
    50: '#9774c7',
    500: '#663cae',
    950: '#000000',
  },
}

SCSS

$custom: #663cae;
$custom-light: #9774c7;
$custom-dark: #000000;

JSON

{
  "hex": "#663cae",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 174
  },
  "hsl": {
    "h": 262.105,
    "s": 48.718,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46889,
    "c": 0.1728,
    "h": 296
  },
  "luminance": 0.09112
}

Semantic roles & 50–950 ramp

primary

#663CAE

secondary

#ABC283

accent

#D850A6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663CAE

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

Preview Lab → · Contrast checker → · Palette generator →