There are certain articles in this world that can be appropriately worn on all occasions, loafers being one of them. In the shots below, it's easy to understand why loafers come in so many colors and designs, with all sorts of ties, straps, and that little slot for your penny that everyone used as a kid.
Sometimes a simple violet just says it all
Black on black for the serious effect
White in mid-fall, questionable yet respectable