There's a reason blue is a primary color... if it weren't for this magnificent hue, some of our favorite secondary and tertiary colors (green! purple! cerulean!) simply wouldn't be. Needless to say, we're big proponents of the color blue in interiors. Just think of how versatile it can be. Mix it with lots of white for a pale, calming, coastal space. Lay it thick and glossy for a sexy city bedroom. The options are endless. To inspire you, we've rounded up nine of our favorite blue rooms below.
Click the photos below to see more of each space.