#663CBD#663CBD

#663CBD is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.1% C 0.191 H 292.7°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#663CBD
RGB	rgb(102, 60, 189)
HSL	hsl(260, 52%, 49%)
HSV	hsv(260, 68%, 74%)
CMYK	cmyk(46%, 68.3%, 0%, 25.9%)
CIE-LAB	lab(37.35, 47.70, -61.44)
CIE-LCH	lch(37.35, 77.78, 307.82°)
OKLab	oklab(48.08% 0.0737 -0.1759)
OKLCH	oklch(48.08% 0.191 292.7)
XYZ	xyz(16.2781, 9.7301, 49.1547)
Luminance	0.0973 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.10

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CBD #93BD3C

analogous

#3C53BD #663CBD #A73CBD

triadic

#663CBD #BD663C #3CBD66

tetradic

#663CBD #BD3C53 #93BD3C #3CBDA7

square

#663CBD #BD3C53 #93BD3C #3CBDA7

split-complementary

#663CBD #BDA73C #53BD3C

monochromatic

#341F60 #4D2D8F #663CBD #8967CF #AD96DE

Accessibility & contrast

On white

7.13

#663CBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#663CBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CBD

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CBD	#FFFFFF	#000000	##FFFFFF
##663CBD	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC1

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#4C5C78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663cbd;
/* rgb */ color: rgb(102, 60, 189);
/* oklch */ color: oklch(48.1% 0.191 292.7);

Tailwind

colors: {
  custom: {
    50: '#9975d2',
    500: '#663cbd',
    950: '#000000',
  },
}

SCSS

$custom: #663cbd;
$custom-light: #9975d2;
$custom-dark: #000000;

JSON

{
  "hex": "#663cbd",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 189
  },
  "hsl": {
    "h": 259.535,
    "s": 51.807,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48081,
    "c": 0.1907,
    "h": 292.7
  },
  "luminance": 0.09731
}

Semantic roles & 50–950 ramp

primary

#663CBD

secondary

#B5C98C

accent

#DB4DAD

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663CBD

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

Preview Lab → · Contrast checker → · Palette generator →