#3788EB Color Information

Hex color code: #3788EB

The hex color #3788EB is a bold blue with RGB values of (55, 136, 235) and HSL of (213°, 82%, 57%). It is often used for branding and logos.

Try:
Color NameDodger Blue
HEX
#3788EB
RGB
55, 136, 235
HSL
213°, 82%, 57%
CMYK
77%, 42%, 0%, 8%

Shades

CSS Usage
color: #3788EB;
background-color: #3788EB;
border-color: #3788EB;
box-shadow: 0 0 10px #3788EB;
border: 2px solid #3788EB;
Tailwind Usage
bg-[#3788EB]
text-[#3788EB]
border-[#3788EB]
shadow-[0_0_10px_3788EB]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #3788EB, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #3788EB; color: #000000; }

Badge

New Feature
.badge { background-color: #3788EB; color: #000000; }

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 #3788EB; background-color: #3788EB15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #3788EB20; border-left: 4px solid #3788EB; }

Link / Accent

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

a { color: #3788EB; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #3788EB in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

55, 136, 235

Red: 55 / Green: 136 / Blue: 235

HSL

213°, 82%, 57%

Hue: 213° / Saturation: 82% / Lightness: 57%

CMYK

77%, 42%, 0%, 8%

Cyan: 77% / Magenta: 42% / Yellow: 0% / Key: 8%

What color is #3788EB?

#3788EB is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #3788EB to RGB:

rgb(55, 136, 235)HEX to RGB Converter →

HEX to HSL

Convert #3788EB to HSL:

hsl(213, 82%, 57%)RGB to HSL Converter →

HEX to CMYK

Convert #3788EB to CMYK:

cmyk(77%, 42%, 0%, 8%)Color Converter →

Color Meaning and Usage

A bold blue tone, #3788EB has RGB (55, 136, 235) and HSL (213°, 82%, 57%). Known for evoking energy and excitement, this highly saturated hue is popular in mobile app design. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #3788EB is #EB9A37, creating high-contrast pairings. For softer combinations, try analogous colors like #37E2EB.

Use #3788EB in CSS: color: #3788EB or background-color: #3788EB. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #3788EB

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

Contrast Ratio: 5.88:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #3788EB?

#3788EB is a bold blue color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #3788EB?

#3788EB in RGB is (55, 136, 235) - 55 red, 136 green, and 235 blue.

How to use #3788EB in CSS?

Use #3788EB directly in your CSS properties like color or background-color.

What colors go well with #3788EB?

#EB9A37 (complementary), #37E2EB (analogous), and #1362C3 (lighter shade) work well with #3788EB.