Futura

Futura is a sans-serif font. It goes well with Playfair Display, Proxima Nova, Sohne Buch, Lato, Helvetica, Open Sans, Trade Gothic, Book Antiqua, Lamplighter Script and Lyon Text. If you're thinking about using Futura then try 18px for headers. Give 17px a shot for content.

People commonly tag it as design, sans serif, serif, tech, modern, elegant, portfolio, classy, retro and caps. You can get it from Fonts.com, Fontspring, MyFonts and YouWorkForThem.