Karla

Karla is a sans-serif font. It goes well with Montserrat, Heebo, Merriweather, Vollkorn and Plantin. If you're thinking about using Karla then try 32px for headers.

People commonly tag it as simple, agency, headline, business, designer, advertising, travel, developer, project and vc. You can get it from Font Squirrel and Google Web Fonts.