#663ABE#663ABE

#663ABE is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.9% C 0.194 H 292.9°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#663ABE
RGB	rgb(102, 58, 190)
HSL	hsl(260, 53%, 49%)
HSV	hsv(260, 69%, 75%)
CMYK	cmyk(46.3%, 69.5%, 0%, 25.5%)
CIE-LAB	lab(37.06, 49.01, -62.51)
CIE-LCH	lch(37.06, 79.43, 308.10°)
OKLab	oklab(47.89% 0.0755 -0.179)
OKLCH	oklch(47.89% 0.194 292.9)
XYZ	xyz(16.2842, 9.5681, 49.6940)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663ABE #92BE3A

analogous

#3A50BE #663ABE #A83ABE

triadic

#663ABE #BE663A #3ABE66

tetradic

#663ABE #BE3A50 #92BE3A #3ABEA8

square

#663ABE #BE3A50 #92BE3A #3ABEA8

split-complementary

#663ABE #BEA83A #50BE3A

monochromatic

#341D60 #4D2C8F #663ABE #8965D0 #AD94DE

Accessibility & contrast

On white

7.21

#663ABE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#663ABE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663ABE

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ABE	#FFFFFF	#000000	##FFFFFF
##663ABE	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C2

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#4C5B78

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #663abe;
/* rgb */ color: rgb(102, 58, 190);
/* oklch */ color: oklch(47.9% 0.194 292.9);

Tailwind

colors: {
  custom: {
    50: '#9974d3',
    500: '#663abe',
    950: '#000000',
  },
}

SCSS

$custom: #663abe;
$custom-light: #9974d3;
$custom-dark: #000000;

JSON

{
  "hex": "#663abe",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 190
  },
  "hsl": {
    "h": 260,
    "s": 53.226,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47893,
    "c": 0.1943,
    "h": 292.9
  },
  "luminance": 0.09569
}

Semantic roles & 50–950 ramp

primary

#663ABE

secondary

#B4CA8A

accent

#DD4BAC

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #663ABE

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

Preview Lab → · Contrast checker → · Palette generator →