#663CC1#663CC1

#663CC1 is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.4% C 0.195 H 291.9°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#663CC1
RGB	rgb(102, 60, 193)
HSL	hsl(259, 53%, 50%)
HSV	hsv(259, 69%, 76%)
CMYK	cmyk(47.2%, 68.9%, 0%, 24.3%)
CIE-LAB	lab(37.67, 48.80, -63.26)
CIE-LCH	lch(37.67, 79.89, 307.65°)
OKLab	oklab(48.41% 0.073 -0.1813)
OKLCH	oklch(48.41% 0.195 291.9)
XYZ	xyz(16.7183, 9.9062, 51.4729)
Luminance	0.0991 (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

#663CC1 #97C13C

analogous

#3C55C1 #663CC1 #A83CC1

triadic

#663CC1 #C1663C #3CC166

tetradic

#663CC1 #C13C55 #97C13C #3CC1A8

square

#663CC1 #C13C55 #97C13C #3CC1A8

split-complementary

#663CC1 #C1A83C #55C13C

monochromatic

#351F64 #4D2D92 #663CC1 #8A6AD1 #AF98DF

Accessibility & contrast

On white

7.04

#663CC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#663CC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CC1

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CC1	#FFFFFF	#000000	##FFFFFF
##663CC1	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC5

Deuteranopia (green-blind)

#0056BE

Tritanopia (blue-blind)

#4A5D7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663cc1;
/* rgb */ color: rgb(102, 60, 193);
/* oklch */ color: oklch(48.4% 0.195 291.9);

Tailwind

colors: {
  custom: {
    50: '#9975d5',
    500: '#663cc1',
    950: '#000000',
  },
}

SCSS

$custom: #663cc1;
$custom-light: #9975d5;
$custom-dark: #000000;

JSON

{
  "hex": "#663cc1",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 193
  },
  "hsl": {
    "h": 258.947,
    "s": 52.569,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48409,
    "c": 0.19542,
    "h": 291.9
  },
  "luminance": 0.09907
}

Semantic roles & 50–950 ramp

primary

#663CC1

secondary

#B8CB8E

accent

#DC4CAE

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663CC1

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

Preview Lab → · Contrast checker → · Palette generator →