#663BBC#663BBC

#663BBC is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.9% C 0.191 H 293.1°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#663BBC
RGB	rgb(102, 59, 188)
HSL	hsl(260, 52%, 48%)
HSV	hsv(260, 69%, 74%)
CMYK	cmyk(45.7%, 68.6%, 0%, 26.3%)
CIE-LAB	lab(37.08, 47.95, -61.29)
CIE-LCH	lch(37.08, 77.82, 308.04°)
OKLab	oklab(47.86% 0.0748 -0.1755)
OKLCH	oklch(47.86% 0.191 293.1)
XYZ	xyz(16.1181, 9.5831, 48.5677)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.36

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663BBC #91BC3B

analogous

#3B50BC #663BBC #A63BBC

triadic

#663BBC #BC663B #3BBC66

tetradic

#663BBC #BC3B50 #91BC3B #3BBCA6

square

#663BBC #BC3B50 #91BC3B #3BBCA6

split-complementary

#663BBC #BCA63B #50BC3B

monochromatic

#331E5F #4D2C8D #663BBC #8965CF #AC94DD

Accessibility & contrast

On white

7.20

#663BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#663BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663BBC

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BBC	#FFFFFF	#000000	##FFFFFF
##663BBC	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#4D5B77

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #663bbc;
/* rgb */ color: rgb(102, 59, 188);
/* oklch */ color: oklch(47.9% 0.191 293.1);

Tailwind

colors: {
  custom: {
    50: '#9974d1',
    500: '#663bbc',
    950: '#000000',
  },
}

SCSS

$custom: #663bbc;
$custom-light: #9974d1;
$custom-dark: #000000;

JSON

{
  "hex": "#663bbc",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 188
  },
  "hsl": {
    "h": 260,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47863,
    "c": 0.19075,
    "h": 293.1
  },
  "luminance": 0.09584
}

Semantic roles & 50–950 ramp

primary

#663BBC

secondary

#B4C98A

accent

#DC4CAC

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663BBC

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

Preview Lab → · Contrast checker → · Palette generator →