#663CA1#663CA1

#663CA1 is a mid, vivid violet. Relative luminance 0.086; OKLCH L 45.9% C 0.157 H 299.3°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#663CA1
RGB	rgb(102, 60, 161)
HSL	hsl(265, 46%, 43%)
HSV	hsv(265, 63%, 63%)
CMYK	cmyk(36.6%, 62.7%, 0%, 36.9%)
CIE-LAB	lab(35.26, 40.10, -48.18)
CIE-LCH	lch(35.26, 62.68, 309.77°)
OKLab	oklab(45.91% 0.0768 -0.1369)
OKLCH	oklch(45.91% 0.157 299.3)
XYZ	xyz(13.5268, 8.6296, 34.6643)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.85

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663CA1 #77A13C

analogous

#3C45A1 #663CA1 #983CA1

triadic

#663CA1 #A1663C #3CA166

tetradic

#663CA1 #A13C45 #77A13C #3CA198

square

#663CA1 #A13C45 #77A13C #3CA198

split-complementary

#663CA1 #A1983C #45A13C

monochromatic

#2E1B48 #4A2B74 #663CA1 #8459C1 #A586D2

Accessibility & contrast

On white

7.70

#663CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#663CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663CA1

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CA1	#FFFFFF	#000000	##FFFFFF
##663CA1	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A4

Deuteranopia (green-blind)

#13529F

Tritanopia (blue-blind)

#595269

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #663ca1;
/* rgb */ color: rgb(102, 60, 161);
/* oklch */ color: oklch(45.9% 0.157 299.3);

Tailwind

colors: {
  custom: {
    50: '#9674bd',
    500: '#663ca1',
    950: '#000000',
  },
}

SCSS

$custom: #663ca1;
$custom-light: #9674bd;
$custom-dark: #000000;

JSON

{
  "hex": "#663ca1",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 161
  },
  "hsl": {
    "h": 264.95,
    "s": 45.701,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45913,
    "c": 0.15699,
    "h": 299.3
  },
  "luminance": 0.0863
}

Semantic roles & 50–950 ramp

primary

#663CA1

secondary

#A2BC7D

accent

#D5529F

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #663CA1

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

Preview Lab → · Contrast checker → · Palette generator →