#663EAA#663EAA

#663EAA is a mid, vivid violet. Relative luminance 0.092; OKLCH L 46.9% C 0.165 H 296.5°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#663EAA
RGB	rgb(102, 62, 170)
HSL	hsl(262, 47%, 45%)
HSV	hsv(262, 64%, 67%)
CMYK	cmyk(40%, 63.5%, 0%, 33.3%)
CIE-LAB	lab(36.31, 41.41, -51.88)
CIE-LCH	lch(36.31, 66.38, 308.59°)
OKLab	oklab(46.88% 0.0738 -0.1478)
OKLCH	oklch(46.88% 0.165 296.5)
XYZ	xyz(14.4559, 9.1720, 39.0312)
Luminance	0.0917 (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

#663EAA #82AA3E

analogous

#3E4CAA #663EAA #9C3EAA

triadic

#663EAA #AA663E #3EAA66

tetradic

#663EAA #AA3E4C #82AA3E #3EAA9C

square

#663EAA #AA3E4C #82AA3E #3EAA9C

split-complementary

#663EAA #AA9C3E #4CAA3E

monochromatic

#301D50 #4B2E7D #663EAA #8660C5 #A88DD5

Accessibility & contrast

On white

7.41

#663EAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#663EAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EAA

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EAA	#FFFFFF	#000000	##FFFFFF
##663EAA	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AD

Deuteranopia (green-blind)

#0054A8

Tritanopia (blue-blind)

#55566E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #663eaa;
/* rgb */ color: rgb(102, 62, 170);
/* oklch */ color: oklch(46.9% 0.165 296.5);

Tailwind

colors: {
  custom: {
    50: '#9775c4',
    500: '#663eaa',
    950: '#000000',
  },
}

SCSS

$custom: #663eaa;
$custom-light: #9775c4;
$custom-dark: #000000;

JSON

{
  "hex": "#663eaa",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 170
  },
  "hsl": {
    "h": 262.222,
    "s": 46.552,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46879,
    "c": 0.1652,
    "h": 296.5
  },
  "luminance": 0.09172
}

Semantic roles & 50–950 ramp

primary

#663EAA

secondary

#AAC084

accent

#D652A5

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663EAA

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

Preview Lab → · Contrast checker → · Palette generator →