#663CD1#663CD1

#663CD1 is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.8% C 0.214 H 289.1°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#663CD1
RGB	rgb(102, 60, 209)
HSL	hsl(257, 62%, 53%)
HSV	hsv(257, 71%, 82%)
CMYK	cmyk(51.2%, 71.3%, 0%, 18%)
CIE-LAB	lab(39.00, 53.22, -70.39)
CIE-LCH	lch(39.00, 88.25, 307.09°)
OKLab	oklab(49.76% 0.07 -0.2022)
OKLCH	oklch(49.76% 0.214 289.1)
XYZ	xyz(18.6006, 10.6591, 61.3866)
Luminance	0.1066 (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

#663CD1 #A7D13C

analogous

#3C5CD1 #663CD1 #B13CD1

triadic

#663CD1 #D1663C #3CD166

tetradic

#663CD1 #D13C5C #A7D13C #3CD1B1

square

#663CD1 #D13C5C #A7D13C #3CD1B1

split-complementary

#663CD1 #D1B13C #5CD13C

monochromatic

#361C77 #4C28A8 #663CD1 #8D6EDD #B49FE8

Accessibility & contrast

On white

6.70

#663CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#663CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663CD1

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663CD1	#FFFFFF	#000000	##FFFFFF
##663CD1	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD5

Deuteranopia (green-blind)

#0058CE

Tritanopia (blue-blind)

#3F6383

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #663cd1;
/* rgb */ color: rgb(102, 60, 209);
/* oklch */ color: oklch(49.8% 0.214 289.1);

Tailwind

colors: {
  custom: {
    50: '#9c75e0',
    500: '#663cd1',
    950: '#000000',
  },
}

SCSS

$custom: #663cd1;
$custom-light: #9c75e0;
$custom-dark: #000000;

JSON

{
  "hex": "#663cd1",
  "rgb": {
    "r": 102,
    "g": 60,
    "b": 209
  },
  "hsl": {
    "h": 256.913,
    "s": 61.826,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49764,
    "c": 0.21397,
    "h": 289.1
  },
  "luminance": 0.1066
}

Semantic roles & 50–950 ramp

primary

#663CD1

secondary

#C2D594

accent

#E543B7

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663CD1

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

Preview Lab → · Contrast checker → · Palette generator →