Combinations of blue are my favorite color palettes. Annie Sloan Chalk Paint® is so easy to layer to create striking and complex blues. I used Napoleonic Blue, Aubusson Blue and Greek Blue on my antique Chinese Apothecary Cabinet, layers of Napoleonic Blue and Graphite on this Chest of Drawers, and different shades of Napoleonic Blue on this vintage dresser in a Piero Fornasetti style.
I also had great success layering Miss Mustard Seed Milk Paint Flow Blue and French Enamel on this antique Printers Type Cabinet. Here is what it looked like before: