#663AA9#663AA9

#663AA9 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.2% C 0.169 H 297.6°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#663AA9
RGB	rgb(102, 58, 169)
HSL	hsl(264, 49%, 45%)
HSV	hsv(264, 66%, 66%)
CMYK	cmyk(39.6%, 65.7%, 0%, 33.7%)
CIE-LAB	lab(35.43, 43.33, -52.71)
CIE-LCH	lch(35.43, 68.23, 309.42°)
OKLab	oklab(46.22% 0.0785 -0.1502)
OKLCH	oklch(46.22% 0.169 297.6)
XYZ	xyz(14.1521, 8.7152, 38.4650)
Luminance	0.0872 (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

#663AA9 #7DA93A

analogous

#3A45A9 #663AA9 #9E3AA9

triadic

#663AA9 #A9663A #3AA966

tetradic

#663AA9 #A93A45 #7DA93A #3AA99E

square

#663AA9 #A93A45 #7DA93A #3AA99E

split-complementary

#663AA9 #A99E3A #45A93A

monochromatic

#2F1B4E #4B2A7B #663AA9 #855AC6 #A787D6

Accessibility & contrast

On white

7.66

#663AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#663AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AA9

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AA9	#FFFFFF	#000000	##FFFFFF
##663AA9	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AC

Deuteranopia (green-blind)

#0052A7

Tritanopia (blue-blind)

#56536C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663aa9;
/* rgb */ color: rgb(102, 58, 169);
/* oklch */ color: oklch(46.2% 0.169 297.6);

Tailwind

colors: {
  custom: {
    50: '#9773c3',
    500: '#663aa9',
    950: '#000000',
  },
}

SCSS

$custom: #663aa9;
$custom-light: #9773c3;
$custom-dark: #000000;

JSON

{
  "hex": "#663aa9",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 169
  },
  "hsl": {
    "h": 263.784,
    "s": 48.899,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46218,
    "c": 0.16949,
    "h": 297.6
  },
  "luminance": 0.08715
}

Semantic roles & 50–950 ramp

primary

#663AA9

secondary

#A6C07F

accent

#D84FA2

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663AA9

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

Preview Lab → · Contrast checker → · Palette generator →