#663ED0#663ED0

#663ED0 is a mid, highly saturated violet. Relative luminance 0.108; OKLCH L 49.9% C 0.211 H 289.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#663ED0
RGB	rgb(102, 62, 208)
HSL	hsl(256, 61%, 53%)
HSV	hsv(256, 70%, 82%)
CMYK	cmyk(51%, 70.2%, 0%, 18.4%)
CIE-LAB	lab(39.28, 51.92, -69.36)
CIE-LCH	lch(39.28, 86.64, 306.82°)
OKLab	oklab(49.94% 0.0685 -0.1992)
OKLCH	oklch(49.94% 0.211 289)
XYZ	xyz(18.5840, 10.8233, 60.7722)
Luminance	0.1082 (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

#663ED0 #A8D03E

analogous

#3E5FD0 #663ED0 #AF3ED0

triadic

#663ED0 #D0663E #3ED066

tetradic

#663ED0 #D03E5F #A8D03E #3ED0AF

square

#663ED0 #D03E5F #A8D03E #3ED0AF

split-complementary

#663ED0 #D0AF3E #5FD03E

monochromatic

#361D77 #4C29A8 #663ED0 #8D6FDC #B4A0E8

Accessibility & contrast

On white

6.64

#663ED0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#663ED0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ED0

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ED0	#FFFFFF	#000000	##FFFFFF
##663ED0	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD4

Deuteranopia (green-blind)

#0059CD

Tritanopia (blue-blind)

#3F6483

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #663ed0;
/* rgb */ color: rgb(102, 62, 208);
/* oklch */ color: oklch(49.9% 0.211 289.0);

Tailwind

colors: {
  custom: {
    50: '#9b77df',
    500: '#663ed0',
    950: '#000000',
  },
}

SCSS

$custom: #663ed0;
$custom-light: #9b77df;
$custom-dark: #000000;

JSON

{
  "hex": "#663ed0",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 208
  },
  "hsl": {
    "h": 256.438,
    "s": 60.833,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49938,
    "c": 0.2106,
    "h": 289
  },
  "luminance": 0.10824
}

Semantic roles & 50–950 ramp

primary

#663ED0

secondary

#C3D495

accent

#E444B8

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663ED0

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

Preview Lab → · Contrast checker → · Palette generator →