#377FEB Color Information

Hex color code: #377FEB

A striking blue shade, #377FEB appears as (55, 127, 235) in RGB and (216°, 82%, 57%) in HSL. It is popular in mobile app design.

Try:
Color NameRoyal Blue
HEX
#377FEB
RGB
55, 127, 235
HSL
216°, 82%, 57%
CMYK
77%, 46%, 0%, 8%

Shades

CSS Usage
color: #377FEB;
background-color: #377FEB;
border-color: #377FEB;
box-shadow: 0 0 10px #377FEB;
border: 2px solid #377FEB;
Tailwind Usage
bg-[#377FEB]
text-[#377FEB]
border-[#377FEB]
shadow-[0_0_10px_377FEB]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #377FEB, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #377FEB; color: #000000; }

Badge

New Feature
.badge { background-color: #377FEB; 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 #377FEB; background-color: #377FEB15; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #377FEB20; border-left: 4px solid #377FEB; }

Link / Accent

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

a { color: #377FEB; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #377FEB in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

55, 127, 235

Red: 55 / Green: 127 / Blue: 235

HSL

216°, 82%, 57%

Hue: 216° / Saturation: 82% / Lightness: 57%

CMYK

77%, 46%, 0%, 8%

Cyan: 77% / Magenta: 46% / Yellow: 0% / Key: 8%

What color is #377FEB?

#377FEB is a highly saturated hue associated with energy and excitement.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #377FEB to RGB:

rgb(55, 127, 235)HEX to RGB Converter →

HEX to HSL

Convert #377FEB to HSL:

hsl(216, 82%, 57%)RGB to HSL Converter →

HEX to CMYK

Convert #377FEB to CMYK:

cmyk(77%, 46%, 0%, 8%)Color Converter →

Color Meaning and Usage

A eye-catching blue tone, #377FEB has RGB (55, 127, 235) and HSL (216°, 82%, 57%). Known for evoking energy and excitement, this highly saturated hue is often used for buttons, highlights, and accents. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #377FEB is #EBA337, creating high-contrast pairings. For softer combinations, try analogous colors like #37D9EB.

Use #377FEB in CSS: color: #377FEB or background-color: #377FEB. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #377FEB

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

Contrast Ratio: 5.40:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #377FEB?

#377FEB is a eye-catching blue color - a highly saturated hue that evokes energy and excitement.

What is the RGB value of #377FEB?

#377FEB in RGB is (55, 127, 235) - 55 red, 127 green, and 235 blue.

How to use #377FEB in CSS?

Use #377FEB directly in your CSS properties like color or background-color.

What colors go well with #377FEB?

#EBA337 (complementary), #37D9EB (analogous), and #135AC3 (lighter shade) work well with #377FEB.