#663EA9#663EA9

#663EA9 is a mid, vivid violet. Relative luminance 0.091; OKLCH L 46.8% C 0.164 H 296.8°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#663EA9
RGB	rgb(102, 62, 169)
HSL	hsl(262, 46%, 45%)
HSV	hsv(262, 63%, 66%)
CMYK	cmyk(39.6%, 63.3%, 0%, 33.7%)
CIE-LAB	lab(36.24, 41.13, -51.40)
CIE-LCH	lch(36.24, 65.83, 308.67°)
OKLab	oklab(46.81% 0.0739 -0.1464)
OKLCH	oklch(46.81% 0.164 296.8)
XYZ	xyz(14.3617, 9.1343, 38.5349)
Luminance	0.0914 (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

#663EA9 #81A93E

analogous

#3E4BA9 #663EA9 #9B3EA9

triadic

#663EA9 #A9663E #3EA966

tetradic

#663EA9 #A93E4B #81A93E #3EA99B

square

#663EA9 #A93E4B #81A93E #3EA99B

split-complementary

#663EA9 #A99B3E #4BA93E

monochromatic

#301D4F #4B2E7C #663EA9 #8560C5 #A88CD5

Accessibility & contrast

On white

7.43

#663EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#663EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EA9

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EA9	#FFFFFF	#000000	##FFFFFF
##663EA9	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AC

Deuteranopia (green-blind)

#0054A7

Tritanopia (blue-blind)

#56566E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663ea9;
/* rgb */ color: rgb(102, 62, 169);
/* oklch */ color: oklch(46.8% 0.164 296.8);

Tailwind

colors: {
  custom: {
    50: '#9775c3',
    500: '#663ea9',
    950: '#000000',
  },
}

SCSS

$custom: #663ea9;
$custom-light: #9775c3;
$custom-dark: #000000;

JSON

{
  "hex": "#663ea9",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 169
  },
  "hsl": {
    "h": 262.43,
    "s": 46.32,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46805,
    "c": 0.16397,
    "h": 296.8
  },
  "luminance": 0.09135
}

Semantic roles & 50–950 ramp

primary

#663EA9

secondary

#A9C083

accent

#D652A5

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663EA9

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

Preview Lab → · Contrast checker → · Palette generator →