Think of logos for the biggest businesses right now. Maybe you’re thinking of Facebook, or Twitter, or maybe you went towards technology manufacturers like Intel, Philips, or Dell. You may have even thought of a huge company like GE. Either way, the logos you thought of were most likely blue.
The colors of a logo are always important, as they decide how viewers will respond to your company. Restaurants or people handling food will often use green to convey a healthy image, or red because it supposedly stimulates appetite. While those colors work for that market, blue works for almost any non-food related business.
Helen Bailey from Web Designers Blog wrote one of many articles exploring why blue works so well for branding, but if you really want to explore the use of blue for branding, check out the infographic from Template Monster. The static version is below, but they have an interactive version at their site.