#663AA6#663AA6

#663AA6 is a mid, vivid violet. Relative luminance 0.086; OKLCH L 46.0% C 0.166 H 298.3°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#663AA6
RGB	rgb(102, 58, 166)
HSL	hsl(264, 48%, 44%)
HSV	hsv(264, 65%, 65%)
CMYK	cmyk(38.6%, 65.1%, 0%, 34.9%)
CIE-LAB	lab(35.21, 42.53, -51.27)
CIE-LCH	lch(35.21, 66.61, 309.68°)
OKLab	oklab(45.99% 0.0788 -0.146)
OKLCH	oklch(45.99% 0.166 298.3)
XYZ	xyz(13.8737, 8.6039, 36.9988)
Luminance	0.0860 (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

#663AA6 #7AA63A

analogous

#3A44A6 #663AA6 #9C3AA6

triadic

#663AA6 #A6663A #3AA666

tetradic

#663AA6 #A63A44 #7AA63A #3AA69C

square

#663AA6 #A63A44 #7AA63A #3AA69C

split-complementary

#663AA6 #A69C3A #44A63A

monochromatic

#2E1A4B #4A2A79 #663AA6 #8558C5 #A686D5

Accessibility & contrast

On white

7.72

#663AA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#663AA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AA6

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AA6	#FFFFFF	#000000	##FFFFFF
##663AA6	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A9

Deuteranopia (green-blind)

#0052A4

Tritanopia (blue-blind)

#57526B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663aa6;
/* rgb */ color: rgb(102, 58, 166);
/* oklch */ color: oklch(46.0% 0.166 298.3);

Tailwind

colors: {
  custom: {
    50: '#9673c1',
    500: '#663aa6',
    950: '#000000',
  },
}

SCSS

$custom: #663aa6;
$custom-light: #9673c1;
$custom-dark: #000000;

JSON

{
  "hex": "#663aa6",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 166
  },
  "hsl": {
    "h": 264.444,
    "s": 48.214,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45989,
    "c": 0.1659,
    "h": 298.3
  },
  "luminance": 0.08604
}

Semantic roles & 50–950 ramp

primary

#663AA6

secondary

#A4BF7D

accent

#D850A0

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663AA6

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

Preview Lab → · Contrast checker → · Palette generator →