#663CC2#663CC2

#663CC2 is a mid, vivid violet. Relative luminance 0.100; OKLCH L 48.5% C 0.197 H 291.8°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#663CC2
RGB	rgb(102, 60, 194)
HSL	hsl(259, 53%, 50%)
HSV	hsv(259, 69%, 76%)
CMYK	cmyk(47.4%, 69.1%, 0%, 23.9%)
CIE-LAB	lab(37.75, 49.07, -63.71)
CIE-LCH	lch(37.75, 80.42, 307.60°)
OKLab	oklab(48.49% 0.0729 -0.1826)
OKLCH	oklch(48.49% 0.197 291.8)
XYZ	xyz(16.8302, 9.9509, 52.0624)
Luminance	0.0995 (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

#663CC2 #98C23C

analogous

#3C55C2 #663CC2 #A93CC2

triadic

#663CC2 #C2663C #3CC266

tetradic

#663CC2 #C23C55 #98C23C #3CC2A9

square

#663CC2 #C23C55 #98C23C #3CC2A9

split-complementary

#663CC2 #C2A93C #55C23C

monochromatic

#351F65 #4D2E93 #663CC2 #8A6AD1 #AF99DF

Accessibility & contrast

On white

7.02

#663CC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#663CC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CC2

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CC2	#FFFFFF	#000000	##FFFFFF
##663CC2	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC6

Deuteranopia (green-blind)

#0056BF

Tritanopia (blue-blind)

#495E7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663cc2;
/* rgb */ color: rgb(102, 60, 194);
/* oklch */ color: oklch(48.5% 0.197 291.8);

Tailwind

colors: {
  custom: {
    50: '#9a75d5',
    500: '#663cc2',
    950: '#000000',
  },
}

SCSS

$custom: #663cc2;
$custom-light: #9a75d5;
$custom-dark: #000000;

JSON

{
  "hex": "#663cc2",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 194
  },
  "hsl": {
    "h": 258.806,
    "s": 52.756,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48492,
    "c": 0.19659,
    "h": 291.8
  },
  "luminance": 0.09952
}

Semantic roles & 50–950 ramp

primary

#663CC2

secondary

#B8CB8F

accent

#DC4CAF

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0814

muted

#7F7B83

Preview Lab

Preview with #663CC2

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

Preview Lab → · Contrast checker → · Palette generator →