#663ED1#663ED1

#663ED1 is a mid, highly saturated violet. Relative luminance 0.109; OKLCH L 50.0% C 0.212 H 288.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#663ED1
RGB	rgb(102, 62, 209)
HSL	hsl(256, 62%, 53%)
HSV	hsv(256, 70%, 82%)
CMYK	cmyk(51.2%, 70.3%, 0%, 18%)
CIE-LAB	lab(39.37, 52.20, -69.80)
CIE-LCH	lch(39.37, 87.16, 306.79°)
OKLab	oklab(50.02% 0.0683 -0.2005)
OKLCH	oklch(50.02% 0.212 288.8)
XYZ	xyz(18.7074, 10.8726, 61.4221)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663ED1 #A9D13E

analogous

#3E5FD1 #663ED1 #B03ED1

triadic

#663ED1 #D1663E #3ED166

tetradic

#663ED1 #D13E5F #A9D13E #3ED1B0

square

#663ED1 #D13E5F #A9D13E #3ED1B0

split-complementary

#663ED1 #D1B03E #5FD13E

monochromatic

#351D78 #4B28A9 #663ED1 #8D6FDD #B4A1E9

Accessibility & contrast

On white

6.62

#663ED1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#663ED1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #663ED1

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663ED1	#FFFFFF	#000000	##FFFFFF
##663ED1	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D5

Deuteranopia (green-blind)

#0059CE

Tritanopia (blue-blind)

#3F6483

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #663ed1;
/* rgb */ color: rgb(102, 62, 209);
/* oklch */ color: oklch(50.0% 0.212 288.8);

Tailwind

colors: {
  custom: {
    50: '#9b77e0',
    500: '#663ed1',
    950: '#000000',
  },
}

SCSS

$custom: #663ed1;
$custom-light: #9b77e0;
$custom-dark: #000000;

JSON

{
  "hex": "#663ed1",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 209
  },
  "hsl": {
    "h": 256.327,
    "s": 61.506,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50024,
    "c": 0.21177,
    "h": 288.8
  },
  "luminance": 0.10873
}

Semantic roles & 50–950 ramp

primary

#663ED1

secondary

#C4D596

accent

#E543B9

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #663ED1

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

Preview Lab → · Contrast checker → · Palette generator →