#663FD2#663FD2

#663FD2 is a mid, highly saturated violet. Relative luminance 0.110; OKLCH L 50.2% C 0.212 H 288.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#663FD2
RGB	rgb(102, 63, 210)
HSL	hsl(256, 62%, 54%)
HSV	hsv(256, 70%, 82%)
CMYK	cmyk(51.4%, 70%, 0%, 17.6%)
CIE-LAB	lab(39.63, 51.97, -69.93)
CIE-LCH	lch(39.63, 87.13, 306.62°)
OKLab	oklab(50.24% 0.0672 -0.2009)
OKLCH	oklch(50.24% 0.212 288.5)
XYZ	xyz(18.8865, 11.0321, 62.0945)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.40

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663FD2 #ABD23F

analogous

#3F61D2 #663FD2 #AF3FD2

triadic

#663FD2 #D2663F #3FD266

tetradic

#663FD2 #D23F61 #ABD23F #3FD2AF

square

#663FD2 #D23F61 #ABD23F #3FD2AF

split-complementary

#663FD2 #D2AF3F #61D23F

monochromatic

#351D7A #4B28AC #663FD2 #8E71DE #B5A2E9

Accessibility & contrast

On white

6.55

#663FD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#663FD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663FD2

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663FD2	#FFFFFF	#000000	##FFFFFF
##663FD2	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D6

Deuteranopia (green-blind)

#005ACF

Tritanopia (blue-blind)

#3E6584

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #663fd2;
/* rgb */ color: rgb(102, 63, 210);
/* oklch */ color: oklch(50.2% 0.212 288.5);

Tailwind

colors: {
  custom: {
    50: '#9b77e1',
    500: '#663fd2',
    950: '#000000',
  },
}

SCSS

$custom: #663fd2;
$custom-light: #9b77e1;
$custom-dark: #000000;

JSON

{
  "hex": "#663fd2",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 210
  },
  "hsl": {
    "h": 255.918,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50241,
    "c": 0.21181,
    "h": 288.5
  },
  "luminance": 0.11033
}

Semantic roles & 50–950 ramp

primary

#663FD2

secondary

#C5D697

accent

#E543BA

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663FD2

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

Preview Lab → · Contrast checker → · Palette generator →