#663BBD#663BBD

#663BBD is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.9% C 0.192 H 292.9°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#663BBD
RGB	rgb(102, 59, 189)
HSL	hsl(260, 52%, 49%)
HSV	hsv(260, 69%, 74%)
CMYK	cmyk(46%, 68.8%, 0%, 25.9%)
CIE-LAB	lab(37.16, 48.22, -61.75)
CIE-LCH	lch(37.16, 78.34, 307.99°)
OKLab	oklab(47.95% 0.0747 -0.1768)
OKLCH	oklch(47.95% 0.192 292.9)
XYZ	xyz(16.2262, 9.6263, 49.1374)
Luminance	0.0963 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.25

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663BBD #92BD3B

analogous

#3B51BD #663BBD #A73BBD

triadic

#663BBD #BD663B #3BBD66

tetradic

#663BBD #BD3B51 #92BD3B #3BBDA7

square

#663BBD #BD3B51 #92BD3B #3BBDA7

split-complementary

#663BBD #BDA73B #51BD3B

monochromatic

#341E60 #4D2C8E #663BBD #8966CF #AD95DE

Accessibility & contrast

On white

7.18

#663BBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#663BBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663BBD

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663BBD	#FFFFFF	#000000	##FFFFFF
##663BBD	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C1

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#4C5B77

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #663bbd;
/* rgb */ color: rgb(102, 59, 189);
/* oklch */ color: oklch(47.9% 0.192 292.9);

Tailwind

colors: {
  custom: {
    50: '#9974d2',
    500: '#663bbd',
    950: '#000000',
  },
}

SCSS

$custom: #663bbd;
$custom-light: #9974d2;
$custom-dark: #000000;

JSON

{
  "hex": "#663bbd",
  "rgb": {
    "r": 102,
    "g": 59,
    "b": 189
  },
  "hsl": {
    "h": 259.846,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47945,
    "c": 0.19193,
    "h": 292.9
  },
  "luminance": 0.09627
}

Semantic roles & 50–950 ramp

primary

#663BBD

secondary

#B4C98B

accent

#DC4CAC

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663BBD

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

Preview Lab → · Contrast checker → · Palette generator →