#663AAC#663AAC

#663AAC is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.4% C 0.173 H 296.8°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#663AAC
RGB	rgb(102, 58, 172)
HSL	hsl(263, 50%, 45%)
HSV	hsv(263, 66%, 67%)
CMYK	cmyk(40.7%, 66.3%, 0%, 32.5%)
CIE-LAB	lab(35.65, 44.13, -54.14)
CIE-LCH	lch(35.65, 69.85, 309.19°)
OKLab	oklab(46.45% 0.0781 -0.1544)
OKLCH	oklch(46.45% 0.173 296.8)
XYZ	xyz(14.4370, 8.8292, 39.9653)
Luminance	0.0883 (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

#663AAC #80AC3A

analogous

#3A47AC #663AAC #9F3AAC

triadic

#663AAC #AC663A #3AAC66

tetradic

#663AAC #AC3A47 #80AC3A #3AAC9F

square

#663AAC #AC3A47 #80AC3A #3AAC9F

split-complementary

#663AAC #AC9F3A #47AC3A

monochromatic

#301B50 #4B2B7E #663AAC #855BC8 #A789D7

Accessibility & contrast

On white

7.59

#663AAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#663AAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AAC

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AAC	#FFFFFF	#000000	##FFFFFF
##663AAC	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0052AA

Tritanopia (blue-blind)

#55556E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #663aac;
/* rgb */ color: rgb(102, 58, 172);
/* oklch */ color: oklch(46.4% 0.173 296.8);

Tailwind

colors: {
  custom: {
    50: '#9773c5',
    500: '#663aac',
    950: '#000000',
  },
}

SCSS

$custom: #663aac;
$custom-light: #9773c5;
$custom-dark: #000000;

JSON

{
  "hex": "#663aac",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 172
  },
  "hsl": {
    "h": 263.158,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46449,
    "c": 0.17308,
    "h": 296.8
  },
  "luminance": 0.08829
}

Semantic roles & 50–950 ramp

primary

#663AAC

secondary

#A8C280

accent

#D94FA4

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663AAC

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

Preview Lab → · Contrast checker → · Palette generator →