#378DD7 Color Information

Hex color code: #378DD7

The hex color #378DD7 is a cool blue with RGB values of (55, 141, 215) and HSL of (208°, 67%, 53%). It is commonly used in modern UI design.

Try:
Color NameRoyal Blue
HEX
#378DD7
RGB
55, 141, 215
HSL
208°, 67%, 53%
CMYK
74%, 34%, 0%, 16%

Shades

CSS Usage
color: #378DD7;
background-color: #378DD7;
border-color: #378DD7;
box-shadow: 0 0 10px #378DD7;
border: 2px solid #378DD7;
Tailwind Usage
bg-[#378DD7]
text-[#378DD7]
border-[#378DD7]
shadow-[0_0_10px_378DD7]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #378DD7, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #378DD7; color: #000000; }

Badge

New Feature
.badge { background-color: #378DD7; 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 #378DD7; background-color: #378DD715; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #378DD720; border-left: 4px solid #378DD7; }

Link / Accent

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

a { color: #378DD7; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #378DD7 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

55, 141, 215

Red: 55 / Green: 141 / Blue: 215

HSL

208°, 67%, 53%

Hue: 208° / Saturation: 67% / Lightness: 53%

CMYK

74%, 34%, 0%, 16%

Cyan: 74% / Magenta: 34% / Yellow: 0% / Key: 16%

What color is #378DD7?

#378DD7 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #378DD7 to RGB:

rgb(55, 141, 215)HEX to RGB Converter →

HEX to HSL

Convert #378DD7 to HSL:

hsl(208, 67%, 53%)RGB to HSL Converter →

HEX to CMYK

Convert #378DD7 to CMYK:

cmyk(74%, 34%, 0%, 16%)Color Converter →

Color Meaning and Usage

#378DD7 is a tranquil blue color with RGB values of 55, 141, 215 and HSL of 208°, 67%, 53%. This cyan-blue hue evokes trust and professionalism, making it suitable for popular for illustrations and friendly visual themes. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #378DD7 is #D78237, creating high-contrast pairings. For softer combinations, try analogous colors like #37D7D2.

Use #378DD7 in CSS: color: #378DD7 or background-color: #378DD7. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #378DD7

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

Contrast Ratio: 5.95:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #378DD7?

#378DD7 is a tranquil blue color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #378DD7?

#378DD7 in RGB is (55, 141, 215) - 55 red, 141 green, and 215 blue.

How to use #378DD7 in CSS?

Use #378DD7 directly in your CSS properties like color or background-color.

What colors go well with #378DD7?

#D78237 (complementary), #37D7D2 (analogous), and #2065A2 (lighter shade) work well with #378DD7.