#663CBE#663CBE

#663CBE is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.2% C 0.192 H 292.5°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#663CBE
RGB	rgb(102, 60, 190)
HSL	hsl(259, 52%, 49%)
HSV	hsv(259, 68%, 75%)
CMYK	cmyk(46.3%, 68.4%, 0%, 25.5%)
CIE-LAB	lab(37.43, 47.97, -61.89)
CIE-LCH	lch(37.43, 78.31, 307.78°)
OKLab	oklab(48.16% 0.0735 -0.1772)
OKLCH	oklch(48.16% 0.192 292.5)
XYZ	xyz(16.3870, 9.7737, 49.7283)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CBE #94BE3C

analogous

#3C53BE #663CBE #A73CBE

triadic

#663CBE #BE663C #3CBE66

tetradic

#663CBE #BE3C53 #94BE3C #3CBEA7

square

#663CBE #BE3C53 #94BE3C #3CBEA7

split-complementary

#663CBE #BEA73C #53BE3C

monochromatic

#341F61 #4D2D8F #663CBE #8968CF #AE96DE

Accessibility & contrast

On white

7.11

#663CBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#663CBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CBE

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CBE	#FFFFFF	#000000	##FFFFFF
##663CBE	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC2

Deuteranopia (green-blind)

#0056BB

Tritanopia (blue-blind)

#4B5C78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663cbe;
/* rgb */ color: rgb(102, 60, 190);
/* oklch */ color: oklch(48.2% 0.192 292.5);

Tailwind

colors: {
  custom: {
    50: '#9975d3',
    500: '#663cbe',
    950: '#000000',
  },
}

SCSS

$custom: #663cbe;
$custom-light: #9975d3;
$custom-dark: #000000;

JSON

{
  "hex": "#663cbe",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 190
  },
  "hsl": {
    "h": 259.385,
    "s": 52,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48163,
    "c": 0.19188,
    "h": 292.5
  },
  "luminance": 0.09774
}

Semantic roles & 50–950 ramp

primary

#663CBE

secondary

#B6CA8C

accent

#DB4CAD

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663CBE

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

Preview Lab → · Contrast checker → · Palette generator →