#3728BD Color Information

Hex color code: #3728BD

The hex color #3728BD is a serene blue with RGB values of (55, 40, 189) and HSL of (246°, 65%, 45%). It is often used for branding and logos.

Try:

Color NameDark Slate Blue

HEX

#3728BD

RGB

55, 40, 189

HSL

246°, 65%, 45%

CMYK

71%, 79%, 0%, 26%

Shades

CSS Usage

color: #3728BD;
background-color: #3728BD;
border-color: #3728BD;
box-shadow: 0 0 10px #3728BD;
border: 2px solid #3728BD;

Tailwind Usage

bg-[#3728BD]
text-[#3728BD]
border-[#3728BD]
shadow-[0_0_10px_3728BD]

Generate Gradient

→

Gradient CSS

background: linear-gradient(90deg, #3728BD, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3728BD; color: #FFFFFF; }

Badge

New Feature

.badge { background-color: #3728BD; 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 #3728BD; background-color: #3728BD15; }

Alert / Toast

This is an alert using your color as accent.

.alert { background-color: #3728BD20; border-left: 4px solid #3728BD; }

Link / Accent

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

a { color: #3728BD; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3728BD in the color wheel.

● Current● Complementary● Triadic● Analogous

RGB, HSL and CMYK Values

RGB

55, 40, 189

Red: 55 / Green: 40 / Blue: 189

HSL

246°, 65%, 45%

Hue: 246° / Saturation: 65% / Lightness: 45%

CMYK

71%, 79%, 0%, 26%

Cyan: 71% / Magenta: 79% / Yellow: 0% / Key: 26%

What color is #3728BD?

#3728BD is a blue-purple hue associated with creativity and luxury.

Color Shades

Complementary Colors

AEBD28

Color Palette

HEX to RGB

Convert #3728BD to RGB:

rgb(55, 40, 189)HEX to RGB Converter →

HEX to HSL

Convert #3728BD to HSL:

hsl(246, 65%, 45%)RGB to HSL Converter →

HEX to CMYK

Convert #3728BD to CMYK:

cmyk(71%, 79%, 0%, 26%)Color Converter →

Color Meaning and Usage

A serene blue tone, #3728BD has RGB (55, 40, 189) and HSL (246°, 65%, 45%). Known for evoking creativity and luxury, this blue-purple hue is well suited for marketing pages and hero sections. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3728BD is #AEBD28, creating high-contrast pairings. For softer combinations, try analogous colors like #2864BD.

Use #3728BD in CSS: color: #3728BD or background-color: #3728BD. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3728BD

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

Contrast Ratio: 2.20:1

WCAG AA: Fail

WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3728BD?

#3728BD is a serene blue color - a blue-purple hue that evokes creativity and luxury.

What is the RGB value of #3728BD?

#3728BD in RGB is (55, 40, 189) - 55 red, 40 green, and 189 blue.

How to use #3728BD in CSS?

Use #3728BD directly in your CSS properties like color or background-color.

What colors go well with #3728BD?

#AEBD28 (complementary), #2864BD (analogous), and #251B7E (lighter shade) work well with #3728BD.