#663AA1#663AA1

#663AA1 is a mid, vivid violet. Relative luminance 0.084; OKLCH L 45.6% C 0.160 H 299.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#663AA1
RGB	rgb(102, 58, 161)
HSL	hsl(266, 47%, 43%)
HSV	hsv(266, 64%, 63%)
CMYK	cmyk(36.6%, 64%, 0%, 36.9%)
CIE-LAB	lab(34.85, 41.20, -48.85)
CIE-LCH	lch(34.85, 63.90, 310.15°)
OKLab	oklab(45.62% 0.0792 -0.1389)
OKLCH	oklch(45.62% 0.16 299.7)
XYZ	xyz(13.4240, 8.4240, 34.6301)
Luminance	0.0842 (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

#663AA1 #75A13A

analogous

#3A41A1 #663AA1 #993AA1

triadic

#663AA1 #A1663A #3AA166

tetradic

#663AA1 #A13A41 #75A13A #3AA199

square

#663AA1 #A13A41 #75A13A #3AA199

split-complementary

#663AA1 #A1993A #41A13A

monochromatic

#2D1A47 #492A74 #663AA1 #8456C2 #A583D2

Accessibility & contrast

On white

7.82

#663AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#663AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663AA1

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663AA1	#FFFFFF	#000000	##FFFFFF
##663AA1	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A4

Deuteranopia (green-blind)

#0D519F

Tritanopia (blue-blind)

#595168

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #663aa1;
/* rgb */ color: rgb(102, 58, 161);
/* oklch */ color: oklch(45.6% 0.160 299.7);

Tailwind

colors: {
  custom: {
    50: '#9673bd',
    500: '#663aa1',
    950: '#000000',
  },
}

SCSS

$custom: #663aa1;
$custom-light: #9673bd;
$custom-dark: #000000;

JSON

{
  "hex": "#663aa1",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 161
  },
  "hsl": {
    "h": 265.631,
    "s": 47.032,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45615,
    "c": 0.15987,
    "h": 299.7
  },
  "luminance": 0.08424
}

Semantic roles & 50–950 ramp

primary

#663AA1

secondary

#A0BC7B

accent

#D7519E

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663AA1

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

Preview Lab → · Contrast checker → · Palette generator →