When it comes to matching shoes and suits, there’s no special trick. The colours either go together or they don’t, there is no middle ground.
Fortunately, it’s not very hard to figure out what goes with what, when there so many resources available for the suit-wearing guy. This handy cheat sheet infographic will help you:
Whatever you do, don’t wear those large-buckled shoes, the basic matching idea still shines brightly through.