FF Dagny is a sans-serif font. It goes well with Univers, Adelle and Stratum. If you're thinking about using FF Dagny then try 36px for headers. Give 20px a shot for content.
People commonly tag it as music, simple, sans serif, big, writing, app, design, photography, portfolio and blog. You can get it from Fonts.com, MyFonts and Typekit.
Examples FF Dagny on its own
In action 5 FF Dagny samples
