Calluna Sans is a sans-serif font. It goes well with Proxima Nova, Calluna, Veneer and Thirsty Script. If you're thinking about using Calluna Sans then try 32px for headers.
People commonly tag it as blog, portfolio, writing, clean, newspaper, minimal, serif, script, tech and modern. You can get it from Font Squirrel, Fonts.com, Fontspring, MyFonts and Typekit.