#663DC0#663DC0

#663DC0 is a mid, vivid violet. Relative luminance 0.100; OKLCH L 48.5% C 0.193 H 292.0°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#663DC0
RGB	rgb(102, 61, 192)
HSL	hsl(259, 52%, 50%)
HSV	hsv(259, 68%, 75%)
CMYK	cmyk(46.9%, 68.2%, 0%, 24.7%)
CIE-LAB	lab(37.78, 47.99, -62.49)
CIE-LCH	lch(37.78, 78.80, 307.52°)
OKLab	oklab(48.46% 0.0722 -0.179)
OKLCH	oklch(48.46% 0.193 292)
XYZ	xyz(16.6600, 9.9675, 50.9051)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.63

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DC0 #97C03D

analogous

#3D55C0 #663DC0 #A83DC0

triadic

#663DC0 #C0663D #3DC066

tetradic

#663DC0 #C03D55 #97C03D #3DC0A8

square

#663DC0 #C03D55 #97C03D #3DC0A8

split-complementary

#663DC0 #C0A83D #55C03D

monochromatic

#351F63 #4D2E92 #663DC0 #8A6AD0 #AF99DF

Accessibility & contrast

On white

7.01

#663DC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#663DC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DC0

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DC0	#FFFFFF	#000000	##FFFFFF
##663DC0	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC4

Deuteranopia (green-blind)

#0056BD

Tritanopia (blue-blind)

#4A5E7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #663dc0;
/* rgb */ color: rgb(102, 61, 192);
/* oklch */ color: oklch(48.5% 0.193 292.0);

Tailwind

colors: {
  custom: {
    50: '#9975d4',
    500: '#663dc0',
    950: '#000000',
  },
}

SCSS

$custom: #663dc0;
$custom-light: #9975d4;
$custom-dark: #000000;

JSON

{
  "hex": "#663dc0",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 192
  },
  "hsl": {
    "h": 258.779,
    "s": 51.779,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48463,
    "c": 0.19303,
    "h": 292
  },
  "luminance": 0.09968
}

Semantic roles & 50–950 ramp

primary

#663DC0

secondary

#B8CA8E

accent

#DB4DAF

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #663DC0

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

Preview Lab → · Contrast checker → · Palette generator →