#663AAE#663AAE

#663AAE is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.6% C 0.175 H 296.4°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#663AAE
RGB	rgb(102, 58, 174)
HSL	hsl(263, 50%, 45%)
HSV	hsv(263, 67%, 68%)
CMYK	cmyk(41.4%, 66.7%, 0%, 31.8%)
CIE-LAB	lab(35.80, 44.67, -55.09)
CIE-LCH	lch(35.80, 70.92, 309.04°)
OKLab	oklab(46.61% 0.0779 -0.1572)
OKLCH	oklch(46.61% 0.175 296.4)
XYZ	xyz(14.6305, 8.9066, 40.9845)
Luminance	0.0891 (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

#663AAE #82AE3A

analogous

#3A48AE #663AAE #A03AAE

triadic

#663AAE #AE663A #3AAE66

tetradic

#663AAE #AE3A48 #82AE3A #3AAEA0

square

#663AAE #AE3A48 #82AE3A #3AAEA0

split-complementary

#663AAE #AEA03A #48AE3A

monochromatic

#301B52 #4B2B80 #663AAE #865CC9 #A88AD8

Accessibility & contrast

On white

7.55

#663AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#663AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AAE

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AAE	#FFFFFF	#000000	##FFFFFF
##663AAE	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B2

Deuteranopia (green-blind)

#0053AC

Tritanopia (blue-blind)

#54556F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663aae;
/* rgb */ color: rgb(102, 58, 174);
/* oklch */ color: oklch(46.6% 0.175 296.4);

Tailwind

colors: {
  custom: {
    50: '#9773c7',
    500: '#663aae',
    950: '#000000',
  },
}

SCSS

$custom: #663aae;
$custom-light: #9773c7;
$custom-dark: #000000;

JSON

{
  "hex": "#663aae",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 174
  },
  "hsl": {
    "h": 262.759,
    "s": 50,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46605,
    "c": 0.17546,
    "h": 296.4
  },
  "luminance": 0.08907
}

Semantic roles & 50–950 ramp

primary

#663AAE

secondary

#AAC281

accent

#DA4EA5

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663AAE

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

Preview Lab → · Contrast checker → · Palette generator →