#663AB9#663AB9

#663AB9 is a mid, vivid violet. Relative luminance 0.094; OKLCH L 47.5% C 0.188 H 293.9°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#663AB9
RGB	rgb(102, 58, 185)
HSL	hsl(261, 52%, 48%)
HSV	hsv(261, 69%, 73%)
CMYK	cmyk(44.9%, 68.6%, 0%, 27.5%)
CIE-LAB	lab(36.66, 47.65, -60.22)
CIE-LCH	lch(36.66, 76.79, 308.35°)
OKLab	oklab(47.48% 0.0763 -0.1723)
OKLCH	oklch(47.48% 0.188 293.9)
XYZ	xyz(15.7471, 9.3532, 46.8652)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663AB9 #8DB93A

analogous

#3A4EB9 #663AB9 #A53AB9

triadic

#663AB9 #B9663A #3AB966

tetradic

#663AB9 #B93A4E #8DB93A #3AB9A5

square

#663AB9 #B93A4E #8DB93A #3AB9A5

split-complementary

#663AB9 #B9A53A #4EB93A

monochromatic

#331D5C #4C2B8A #663AB9 #8862CE #AB91DC

Accessibility & contrast

On white

7.32

#663AB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#663AB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AB9

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AB9	#FFFFFF	#000000	##FFFFFF
##663AB9	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BD

Deuteranopia (green-blind)

#0054B6

Tritanopia (blue-blind)

#4E5975

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #663ab9;
/* rgb */ color: rgb(102, 58, 185);
/* oklch */ color: oklch(47.5% 0.188 293.9);

Tailwind

colors: {
  custom: {
    50: '#9973cf',
    500: '#663ab9',
    950: '#000000',
  },
}

SCSS

$custom: #663ab9;
$custom-light: #9973cf;
$custom-dark: #000000;

JSON

{
  "hex": "#663ab9",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 185
  },
  "hsl": {
    "h": 260.787,
    "s": 52.263,
    "l": 47.647
  },
  "oklch": {
    "l": 0.47482,
    "c": 0.18846,
    "h": 293.9
  },
  "luminance": 0.09354
}

Semantic roles & 50–950 ramp

primary

#663AB9

secondary

#B1C787

accent

#DC4CAA

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0F0814

muted

#7E7B82

Preview Lab

Preview with #663AB9

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

Preview Lab → · Contrast checker → · Palette generator →