#3663AB Color Information

Hex color code: #3663AB

A tranquil blue shade, #3663AB appears as (54, 99, 171) in RGB and (217°, 52%, 44%) in HSL. It is widely used in graphic design.

Try:
Color NameSteel Blue
HEX
#3663AB
RGB
54, 99, 171
HSL
217°, 52%, 44%
CMYK
68%, 42%, 0%, 33%

Shades

CSS Usage
color: #3663AB;
background-color: #3663AB;
border-color: #3663AB;
box-shadow: 0 0 10px #3663AB;
border: 2px solid #3663AB;
Tailwind Usage
bg-[#3663AB]
text-[#3663AB]
border-[#3663AB]
shadow-[0_0_10px_3663AB]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #3663AB, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3663AB; color: #FFFFFF; }

Badge

New Feature
.badge { background-color: #3663AB; 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 #3663AB; background-color: #3663AB15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #3663AB20; border-left: 4px solid #3663AB; }

Link / Accent

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

a { color: #3663AB; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3663AB in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

54, 99, 171

Red: 54 / Green: 99 / Blue: 171

HSL

217°, 52%, 44%

Hue: 217° / Saturation: 52% / Lightness: 44%

CMYK

68%, 42%, 0%, 33%

Cyan: 68% / Magenta: 42% / Yellow: 0% / Key: 33%

What color is #3663AB?

#3663AB is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #3663AB to RGB:

rgb(54, 99, 171)HEX to RGB Converter →

HEX to HSL

Convert #3663AB to HSL:

hsl(217, 52%, 44%)RGB to HSL Converter →

HEX to CMYK

Convert #3663AB to CMYK:

cmyk(68%, 42%, 0%, 33%)Color Converter →

Color Meaning and Usage

A calming blue tone, #3663AB has RGB (54, 99, 171) and HSL (217°, 52%, 44%). Known for evoking creativity and luxury, this blue-purple hue is often used for branding and logos. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3663AB is #AB7E36, creating high-contrast pairings. For softer combinations, try analogous colors like #369DAB.

Use #3663AB in CSS: color: #3663AB or background-color: #3663AB. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3663AB

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

Contrast Ratio: 3.53:1
WCAG AA: Fail
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3663AB?

#3663AB is a calming blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3663AB?

#3663AB in RGB is (54, 99, 171) - 54 red, 99 green, and 171 blue.

How to use #3663AB in CSS?

Use #3663AB directly in your CSS properties like color or background-color.

What colors go well with #3663AB?

#AB7E36 (complementary), #369DAB (analogous), and #234170 (lighter shade) work well with #3663AB.