#663CC0#663CC0

#663CC0 is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.3% C 0.194 H 292.1°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#663CC0
RGB	rgb(102, 60, 192)
HSL	hsl(259, 52%, 49%)
HSV	hsv(259, 69%, 75%)
CMYK	cmyk(46.9%, 68.7%, 0%, 24.7%)
CIE-LAB	lab(37.59, 48.52, -62.81)
CIE-LCH	lch(37.59, 79.37, 307.69°)
OKLab	oklab(48.33% 0.0732 -0.1799)
OKLCH	oklch(48.33% 0.194 292.1)
XYZ	xyz(16.6071, 9.8617, 50.8874)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.78

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CC0 #96C03C

analogous

#3C54C0 #663CC0 #A83CC0

triadic

#663CC0 #C0663C #3CC066

tetradic

#663CC0 #C03C54 #96C03C #3CC0A8

square

#663CC0 #C03C54 #96C03C #3CC0A8

split-complementary

#663CC0 #C0A83C #54C03C

monochromatic

#341F63 #4D2D91 #663CC0 #8A69D0 #AE98DF

Accessibility & contrast

On white

7.06

#663CC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#663CC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CC0

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CC0	#FFFFFF	#000000	##FFFFFF
##663CC0	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC4

Deuteranopia (green-blind)

#0056BD

Tritanopia (blue-blind)

#4A5D79

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663cc0;
/* rgb */ color: rgb(102, 60, 192);
/* oklch */ color: oklch(48.3% 0.194 292.1);

Tailwind

colors: {
  custom: {
    50: '#9975d4',
    500: '#663cc0',
    950: '#000000',
  },
}

SCSS

$custom: #663cc0;
$custom-light: #9975d4;
$custom-dark: #000000;

JSON

{
  "hex": "#663cc0",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 192
  },
  "hsl": {
    "h": 259.091,
    "s": 52.381,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48327,
    "c": 0.19424,
    "h": 292.1
  },
  "luminance": 0.09862
}

Semantic roles & 50–950 ramp

primary

#663CC0

secondary

#B7CA8D

accent

#DC4CAE

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663CC0

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

Preview Lab → · Contrast checker → · Palette generator →