#663BBE#663BBE

#663BBE is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.0% C 0.193 H 292.7°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#663BBE
RGB	rgb(102, 59, 190)
HSL	hsl(260, 53%, 49%)
HSV	hsv(260, 69%, 75%)
CMYK	cmyk(46.3%, 68.9%, 0%, 25.5%)
CIE-LAB	lab(37.24, 48.49, -62.20)
CIE-LCH	lch(37.24, 78.87, 307.94°)
OKLab	oklab(48.03% 0.0745 -0.1781)
OKLCH	oklch(48.03% 0.193 292.7)
XYZ	xyz(16.3351, 9.6699, 49.7110)
Luminance	0.0967 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.14

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663BBE #93BE3B

analogous

#3B52BE #663BBE #A83BBE

triadic

#663BBE #BE663B #3BBE66

tetradic

#663BBE #BE3B52 #93BE3B #3BBEA8

square

#663BBE #BE3B52 #93BE3B #3BBEA8

split-complementary

#663BBE #BEA83B #52BE3B

monochromatic

#341E61 #4D2C8F #663BBE #8967D0 #AD95DE

Accessibility & contrast

On white

7.16

#663BBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#663BBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663BBE

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BBE	#FFFFFF	#000000	##FFFFFF
##663BBE	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C2

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#4C5C78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663bbe;
/* rgb */ color: rgb(102, 59, 190);
/* oklch */ color: oklch(48.0% 0.193 292.7);

Tailwind

colors: {
  custom: {
    50: '#9974d3',
    500: '#663bbe',
    950: '#000000',
  },
}

SCSS

$custom: #663bbe;
$custom-light: #9974d3;
$custom-dark: #000000;

JSON

{
  "hex": "#663bbe",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 190
  },
  "hsl": {
    "h": 259.695,
    "s": 52.61,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48027,
    "c": 0.1931,
    "h": 292.7
  },
  "luminance": 0.0967
}

Semantic roles & 50–950 ramp

primary

#663BBE

secondary

#B5CA8B

accent

#DC4CAD

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663BBE

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

Preview Lab → · Contrast checker → · Palette generator →