#663CA0#663CA0

#663CA0 is a mid, vivid violet. Relative luminance 0.086; OKLCH L 45.8% C 0.156 H 299.6°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#663CA0
RGB	rgb(102, 60, 160)
HSL	hsl(265, 45%, 43%)
HSV	hsv(265, 63%, 63%)
CMYK	cmyk(36.2%, 62.5%, 0%, 37.3%)
CIE-LAB	lab(35.19, 39.83, -47.69)
CIE-LCH	lch(35.19, 62.14, 309.87°)
OKLab	oklab(45.84% 0.0768 -0.1355)
OKLCH	oklch(45.84% 0.156 299.6)
XYZ	xyz(13.4390, 8.5944, 34.2018)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CA0 #76A03C

analogous

#3C44A0 #663CA0 #983CA0

triadic

#663CA0 #A0663C #3CA066

tetradic

#663CA0 #A03C44 #76A03C #3CA098

square

#663CA0 #A03C44 #76A03C #3CA098

split-complementary

#663CA0 #A0983C #44A03C

monochromatic

#2D1B47 #4A2B73 #663CA0 #8459C1 #A585D1

Accessibility & contrast

On white

7.72

#663CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#663CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CA0

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CA0	#FFFFFF	#000000	##FFFFFF
##663CA0	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A3

Deuteranopia (green-blind)

#15529E

Tritanopia (blue-blind)

#595268

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663ca0;
/* rgb */ color: rgb(102, 60, 160);
/* oklch */ color: oklch(45.8% 0.156 299.6);

Tailwind

colors: {
  custom: {
    50: '#9674bd',
    500: '#663ca0',
    950: '#000000',
  },
}

SCSS

$custom: #663ca0;
$custom-light: #9674bd;
$custom-dark: #000000;

JSON

{
  "hex": "#663ca0",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 160
  },
  "hsl": {
    "h": 265.2,
    "s": 45.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4584,
    "c": 0.15576,
    "h": 299.6
  },
  "luminance": 0.08595
}

Semantic roles & 50–950 ramp

primary

#663CA0

secondary

#A1BB7C

accent

#D5539E

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663CA0

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

Preview Lab → · Contrast checker → · Palette generator →