#663BDE Color Information

Hex color code: #663BDE

A striking purple shade, #663BDE appears as (102, 59, 222) in RGB and (256°, 71%, 55%) in HSL. It is popular in mobile app design.

Try:
Color NameSlate Blue
HEX
#663BDE
RGB
102, 59, 222
HSL
256°, 71%, 55%
CMYK
54%, 73%, 0%, 13%

Shades

CSS Usage
color: #663BDE;
background-color: #663BDE;
border-color: #663BDE;
box-shadow: 0 0 10px #663BDE;
border: 2px solid #663BDE;
Tailwind Usage
bg-[#663BDE]
text-[#663BDE]
border-[#663BDE]
shadow-[0_0_10px_663BDE]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #663BDE, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #663BDE; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #663BDE; color: #FFFFFF; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #663BDE; background-color: #663BDE15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #663BDE20; border-left: 4px solid #663BDE; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #663BDE; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #663BDE in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

102, 59, 222

Red: 102 / Green: 59 / Blue: 222

HSL

256°, 71%, 55%

Hue: 256° / Saturation: 71% / Lightness: 55%

CMYK

54%, 73%, 0%, 13%

Cyan: 54% / Magenta: 73% / Yellow: 0% / Key: 13%

What color is #663BDE?

#663BDE is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #663BDE to RGB:

rgb(102, 59, 222)HEX to RGB Converter →

HEX to HSL

Convert #663BDE to HSL:

hsl(256, 71%, 55%)RGB to HSL Converter →

HEX to CMYK

Convert #663BDE to CMYK:

cmyk(54%, 73%, 0%, 13%)Color Converter →

Color Meaning and Usage

A vivid purple tone, #663BDE has RGB (102, 59, 222) and HSL (256°, 71%, 55%). Known for evoking creativity and luxury, this blue-purple hue is commonly used in modern UI design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #663BDE is #B2DE3B, creating high-contrast pairings. For softer combinations, try analogous colors like #3B61DE.

Use #663BDE in CSS: color: #663BDE or background-color: #663BDE. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #663BDE

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 3.25:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #663BDE?

#663BDE is a vivid purple color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #663BDE?

#663BDE in RGB is (102, 59, 222) - 102 red, 59 green, and 222 blue.

How to use #663BDE in CSS?

Use #663BDE directly in your CSS properties like color or background-color.

What colors go well with #663BDE?

#B2DE3B (complementary), #3B61DE (analogous), and #441EAE (lighter shade) work well with #663BDE.