#663CA7#663CA7

#663CA7 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.4% C 0.164 H 297.7°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#663CA7
RGB	rgb(102, 60, 167)
HSL	hsl(264, 47%, 45%)
HSV	hsv(264, 64%, 65%)
CMYK	cmyk(38.9%, 64.1%, 0%, 34.5%)
CIE-LAB	lab(35.69, 41.70, -51.10)
CIE-LCH	lch(35.69, 65.96, 309.22°)
OKLab	oklab(46.36% 0.0764 -0.1455)
OKLCH	oklch(46.36% 0.164 297.7)
XYZ	xyz(14.0686, 8.8463, 37.5180)
Luminance	0.0885 (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

#663CA7 #7DA73C

analogous

#3C48A7 #663CA7 #9C3CA7

triadic

#663CA7 #A7663C #3CA766

tetradic

#663CA7 #A73C48 #7DA73C #3CA79C

square

#663CA7 #A73C48 #7DA73C #3CA79C

split-complementary

#663CA7 #A79C3C #48A73C

monochromatic

#2F1C4D #4B2C7A #663CA7 #855CC4 #A789D5

Accessibility & contrast

On white

7.58

#663CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#663CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CA7

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CA7	#FFFFFF	#000000	##FFFFFF
##663CA7	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AA

Deuteranopia (green-blind)

#0053A5

Tritanopia (blue-blind)

#57546C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663ca7;
/* rgb */ color: rgb(102, 60, 167);
/* oklch */ color: oklch(46.4% 0.164 297.7);

Tailwind

colors: {
  custom: {
    50: '#9674c2',
    500: '#663ca7',
    950: '#000000',
  },
}

SCSS

$custom: #663ca7;
$custom-light: #9674c2;
$custom-dark: #000000;

JSON

{
  "hex": "#663ca7",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 167
  },
  "hsl": {
    "h": 263.551,
    "s": 47.137,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46357,
    "c": 0.16432,
    "h": 297.7
  },
  "luminance": 0.08847
}

Semantic roles & 50–950 ramp

primary

#663CA7

secondary

#A6BF80

accent

#D751A2

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663CA7

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

Preview Lab → · Contrast checker → · Palette generator →