#663DC2#663DC2

#663DC2 is a mid, vivid violet. Relative luminance 0.101; OKLCH L 48.6% C 0.195 H 291.6°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#663DC2
RGB	rgb(102, 61, 194)
HSL	hsl(258, 52%, 50%)
HSV	hsv(258, 69%, 76%)
CMYK	cmyk(47.4%, 68.6%, 0%, 23.9%)
CIE-LAB	lab(37.94, 48.55, -63.40)
CIE-LCH	lch(37.94, 79.86, 307.44°)
OKLab	oklab(48.63% 0.0719 -0.1817)
OKLCH	oklch(48.63% 0.195 291.6)
XYZ	xyz(16.8831, 10.0567, 52.0801)
Luminance	0.1006 (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

#663DC2 #99C23D

analogous

#3D57C2 #663DC2 #A83DC2

triadic

#663DC2 #C2663D #3DC266

tetradic

#663DC2 #C23D57 #99C23D #3DC2A8

square

#663DC2 #C23D57 #99C23D #3DC2A8

split-complementary

#663DC2 #C2A83D #57C23D

monochromatic

#352065 #4E2E93 #663DC2 #8B6CD1 #AF9ADF

Accessibility & contrast

On white

6.97

#663DC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#663DC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663DC2

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DC2	#FFFFFF	#000000	##FFFFFF
##663DC2	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC6

Deuteranopia (green-blind)

#0056BF

Tritanopia (blue-blind)

#495E7B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663dc2;
/* rgb */ color: rgb(102, 61, 194);
/* oklch */ color: oklch(48.6% 0.195 291.6);

Tailwind

colors: {
  custom: {
    50: '#9975d5',
    500: '#663dc2',
    950: '#000000',
  },
}

SCSS

$custom: #663dc2;
$custom-light: #9975d5;
$custom-dark: #000000;

JSON

{
  "hex": "#663dc2",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 194
  },
  "hsl": {
    "h": 258.496,
    "s": 52.157,
    "l": 50
  },
  "oklch": {
    "l": 0.48628,
    "c": 0.19539,
    "h": 291.6
  },
  "luminance": 0.10057
}

Semantic roles & 50–950 ramp

primary

#663DC2

secondary

#B9CB90

accent

#DC4CAF

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0914

muted

#7F7B83

Preview Lab

Preview with #663DC2

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

Preview Lab → · Contrast checker → · Palette generator →