font
It goes well with Open Sans, Roboto, Museo Sans Rounded and Helvetica Neue. If you're thinking about using Titillium then try
People commonly tag it as business, illustration, tech, energy, api, service, finance, science, medical and technology. You can get it from Font Squirrel, Google Web Fonts and Typekit.
Titillium on its own
7 Titillium samples