Plantin is a sans-serif font. It goes well with Helvetica Neue, Maison Neue, Trade Gothic, Columbia Sans, Bebas, Karla and ITC Johnston. If you're thinking about using Plantin then try Give 26px a shot for content.
People commonly tag it as agency, design, portfolio, serif, finance, media, agency portfolio, interior decor, culture and literature and sans serif. You can get it from Fonts.com, MyFonts, Typekit and Webtype.