#663EAB#663EAB

#663EAB is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.0% C 0.166 H 296.3°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#663EAB
RGB	rgb(102, 62, 171)
HSL	hsl(262, 47%, 46%)
HSV	hsv(262, 64%, 67%)
CMYK	cmyk(40.4%, 63.7%, 0%, 32.9%)
CIE-LAB	lab(36.39, 41.68, -52.36)
CIE-LCH	lch(36.39, 66.92, 308.52°)
OKLab	oklab(46.96% 0.0737 -0.1492)
OKLCH	oklch(46.96% 0.166 296.3)
XYZ	xyz(14.5509, 9.2100, 39.5313)
Luminance	0.0921 (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

#663EAB #83AB3E

analogous

#3E4DAB #663EAB #9C3EAB

triadic

#663EAB #AB663E #3EAB66

tetradic

#663EAB #AB3E4D #83AB3E #3EAB9C

square

#663EAB #AB3E4D #83AB3E #3EAB9C

split-complementary

#663EAB #AB9C3E #4DAB3E

monochromatic

#301D51 #4B2E7E #663EAB #8661C6 #A88ED6

Accessibility & contrast

On white

7.39

#663EAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#663EAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EAB

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EAB	#FFFFFF	#000000	##FFFFFF
##663EAB	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#55576F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #663eab;
/* rgb */ color: rgb(102, 62, 171);
/* oklch */ color: oklch(47.0% 0.166 296.3);

Tailwind

colors: {
  custom: {
    50: '#9775c5',
    500: '#663eab',
    950: '#000000',
  },
}

SCSS

$custom: #663eab;
$custom-light: #9775c5;
$custom-dark: #000000;

JSON

{
  "hex": "#663eab",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 171
  },
  "hsl": {
    "h": 262.018,
    "s": 46.781,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46955,
    "c": 0.16642,
    "h": 296.3
  },
  "luminance": 0.0921
}

Semantic roles & 50–950 ramp

primary

#663EAB

secondary

#AAC184

accent

#D651A6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663EAB

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

Preview Lab → · Contrast checker → · Palette generator →