#663DC1#663DC1

#663DC1 is a mid, vivid violet. Relative luminance 0.100; OKLCH L 48.5% C 0.194 H 291.8°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#663DC1
RGB	rgb(102, 61, 193)
HSL	hsl(259, 52%, 50%)
HSV	hsv(259, 68%, 76%)
CMYK	cmyk(47.2%, 68.4%, 0%, 24.3%)
CIE-LAB	lab(37.86, 48.27, -62.95)
CIE-LCH	lch(37.86, 79.33, 307.48°)
OKLab	oklab(48.55% 0.0721 -0.1803)
OKLCH	oklch(48.55% 0.194 291.8)
XYZ	xyz(16.7712, 10.0119, 51.4906)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.53

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DC1 #98C13D

analogous

#3D56C1 #663DC1 #A83DC1

triadic

#663DC1 #C1663D #3DC166

tetradic

#663DC1 #C13D56 #98C13D #3DC1A8

square

#663DC1 #C13D56 #98C13D #3DC1A8

split-complementary

#663DC1 #C1A83D #56C13D

monochromatic

#352064 #4D2E92 #663DC1 #8A6BD0 #AF99DF

Accessibility & contrast

On white

6.99

#663DC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#663DC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663DC1

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DC1	#FFFFFF	#000000	##FFFFFF
##663DC1	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC5

Deuteranopia (green-blind)

#0056BE

Tritanopia (blue-blind)

#4A5E7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663dc1;
/* rgb */ color: rgb(102, 61, 193);
/* oklch */ color: oklch(48.5% 0.194 291.8);

Tailwind

colors: {
  custom: {
    50: '#9975d5',
    500: '#663dc1',
    950: '#000000',
  },
}

SCSS

$custom: #663dc1;
$custom-light: #9975d5;
$custom-dark: #000000;

JSON

{
  "hex": "#663dc1",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 193
  },
  "hsl": {
    "h": 258.636,
    "s": 51.969,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48546,
    "c": 0.19421,
    "h": 291.8
  },
  "luminance": 0.10013
}

Semantic roles & 50–950 ramp

primary

#663DC1

secondary

#B8CB8F

accent

#DB4CAF

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #663DC1

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

Preview Lab → · Contrast checker → · Palette generator →