From knob to knocker, frame to hinge, the details of a home's front door reveal much about the building it stewards and the people inside. And beyond architectural significance, front doors are wonderful eye candy. We were inspired by that classic cool hue: blue. For fun, creative, welcoming homeowners, it's a great colour choice. In rich cobalts and dark navies, it sets a serious tone while brighter and green-touched varieties imply a more creative and laid-back environment. You needn't stroll the streets of the world to see them all, because we've gathered the 26 most inspiring, beautiful blue front doors in the slideshow ahead. Keep reading to check them out.