I think they would go together really well! They are in the same color family, so they should compliment each other well. It sounds like a rich and elegant combination! You can always make a pinterest board that combines those colors to see how you like the combination, too!
There have definitely been weddings that incorporated those colors! Here are a few inspo pictures I found
Another option would be replacing silver with gold. Gold against purple and fuchsia really warms up the room and makes it look elegant