What do Facebook, Twitter, LinkedIn, and Skype all have in common? The color of their logos is blue. 

Why blue? Research shows that the ubiquitous color has a calming effect that many associate with good qualities such as clean, professional, and trustworthy.

Just about any small business would want to imbue their logo with such worthy traits. But is every variety of blue as effective? This infographic from TemplateMonster breaks down the industries that use the color blue the most--with tips for picking the right blue for you: