#663CBF#663CBF

#663CBF is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.2% C 0.193 H 292.3°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#663CBF
RGB	rgb(102, 60, 191)
HSL	hsl(259, 52%, 49%)
HSV	hsv(259, 69%, 75%)
CMYK	cmyk(46.6%, 68.6%, 0%, 25.1%)
CIE-LAB	lab(37.51, 48.25, -62.35)
CIE-LCH	lch(37.51, 78.84, 307.73°)
OKLab	oklab(48.25% 0.0734 -0.1786)
OKLCH	oklch(48.25% 0.193 292.3)
XYZ	xyz(16.4967, 9.8175, 50.3059)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CBF #95BF3C

analogous

#3C53BF #663CBF #A83CBF

triadic

#663CBF #BF663C #3CBF66

tetradic

#663CBF #BF3C53 #95BF3C #3CBFA8

square

#663CBF #BF3C53 #95BF3C #3CBFA8

split-complementary

#663CBF #BFA83C #53BF3C

monochromatic

#341F62 #4D2D90 #663CBF #8A68D0 #AE97DE

Accessibility & contrast

On white

7.09

#663CBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#663CBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CBF

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CBF	#FFFFFF	#000000	##FFFFFF
##663CBF	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC3

Deuteranopia (green-blind)

#0056BC

Tritanopia (blue-blind)

#4B5D79

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #663cbf;
/* rgb */ color: rgb(102, 60, 191);
/* oklch */ color: oklch(48.2% 0.193 292.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#663cbf",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 191
  },
  "hsl": {
    "h": 259.237,
    "s": 52.191,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48245,
    "c": 0.19307,
    "h": 292.3
  },
  "luminance": 0.09818
}

Semantic roles & 50–950 ramp

primary

#663CBF

secondary

#B6CA8D

accent

#DC4CAE

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663CBF

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

Preview Lab → · Contrast checker → · Palette generator →