#663AAD#663AAD

#663AAD is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.5% C 0.174 H 296.6°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#663AAD
RGB	rgb(102, 58, 173)
HSL	hsl(263, 50%, 45%)
HSV	hsv(263, 66%, 68%)
CMYK	cmyk(41%, 66.5%, 0%, 32.2%)
CIE-LAB	lab(35.73, 44.40, -54.62)
CIE-LCH	lch(35.73, 70.39, 309.11°)
OKLab	oklab(46.53% 0.078 -0.1558)
OKLCH	oklch(46.53% 0.174 296.6)
XYZ	xyz(14.5334, 8.8677, 40.4730)
Luminance	0.0887 (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

#663AAD #81AD3A

analogous

#3A47AD #663AAD #A03AAD

triadic

#663AAD #AD663A #3AAD66

tetradic

#663AAD #AD3A47 #81AD3A #3AADA0

square

#663AAD #AD3A47 #81AD3A #3AADA0

split-complementary

#663AAD #ADA03A #47AD3A

monochromatic

#301B51 #4B2B7F #663AAD #855CC8 #A88AD8

Accessibility & contrast

On white

7.57

#663AAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#663AAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AAD

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AAD	#FFFFFF	#000000	##FFFFFF
##663AAD	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B1

Deuteranopia (green-blind)

#0053AB

Tritanopia (blue-blind)

#54556E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663aad;
/* rgb */ color: rgb(102, 58, 173);
/* oklch */ color: oklch(46.5% 0.174 296.6);

Tailwind

colors: {
  custom: {
    50: '#9773c6',
    500: '#663aad',
    950: '#000000',
  },
}

SCSS

$custom: #663aad;
$custom-light: #9773c6;
$custom-dark: #000000;

JSON

{
  "hex": "#663aad",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 173
  },
  "hsl": {
    "h": 262.957,
    "s": 49.784,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46527,
    "c": 0.17427,
    "h": 296.6
  },
  "luminance": 0.08868
}

Semantic roles & 50–950 ramp

primary

#663AAD

secondary

#A9C281

accent

#D94EA4

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663AAD

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

Preview Lab → · Contrast checker → · Palette generator →