black hair and blue eyes, definitely! Or blond hair but also.. blue eyes ;)
Me and some friends were discussing this the other day - Any hair colour is fine, but if a guy has REALLY light eyes, its sexy cause they're all... bright and stuff... BUT if a guy has really DARK eyes, it makes him sexy, because they're kinda like a mystery. My facourite would be black hair blue eyes combination, but my personal favorite of all time has to be dark brown hair and brown eyes with just a touch of red in them... I could genuinely stare into them all day :) Hope this helps, even though it probably won't...