#663EC0#663EC0

#663EC0 is a mid, vivid violet. Relative luminance 0.101; OKLCH L 48.6% C 0.192 H 291.8°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#663EC0
RGB	rgb(102, 62, 192)
HSL	hsl(258, 51%, 50%)
HSV	hsv(258, 68%, 75%)
CMYK	cmyk(46.9%, 67.7%, 0%, 24.7%)
CIE-LAB	lab(37.98, 47.46, -62.18)
CIE-LCH	lch(37.98, 78.23, 307.36°)
OKLab	oklab(48.6% 0.0712 -0.1781)
OKLCH	oklch(48.6% 0.192 291.8)
XYZ	xyz(16.7139, 10.0752, 50.9230)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.49

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EC0 #98C03E

analogous

#3E57C0 #663EC0 #A73EC0

triadic

#663EC0 #C0663E #3EC066

tetradic

#663EC0 #C03E57 #98C03E #3EC0A7

square

#663EC0 #C03E57 #98C03E #3EC0A7

split-complementary

#663EC0 #C0A73E #57C03E

monochromatic

#352063 #4D2F92 #663EC0 #8A6CCF #AF9ADE

Accessibility & contrast

On white

6.96

#663EC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#663EC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663EC0

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EC0	#FFFFFF	#000000	##FFFFFF
##663EC0	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC4

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#4A5E7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663ec0;
/* rgb */ color: rgb(102, 62, 192);
/* oklch */ color: oklch(48.6% 0.192 291.8);

Tailwind

colors: {
  custom: {
    50: '#9976d4',
    500: '#663ec0',
    950: '#000000',
  },
}

SCSS

$custom: #663ec0;
$custom-light: #9976d4;
$custom-dark: #000000;

JSON

{
  "hex": "#663ec0",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 192
  },
  "hsl": {
    "h": 258.462,
    "s": 51.181,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48602,
    "c": 0.19181,
    "h": 291.8
  },
  "luminance": 0.10076
}

Semantic roles & 50–950 ramp

primary

#663EC0

secondary

#B8CA8F

accent

#DB4DAF

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #663EC0

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

Preview Lab → · Contrast checker → · Palette generator →