Raleway Font is a sophisticated sans-serif typeface family which is intended to make for headings and other large size usage. Initially designed by Matt McInerney as a single thin weight. Then it was expanded into 9 weight family by Pablo Impallari and Rodrigo Fuenzalida in 2012 and iKerned by Igino Marini.
One of the best font that will happily fulfil all your need. Raleway Font is free for personal & commercial use.