One of the coolest ways to style a black coat is to wear it with flare jeans. A pair of purple ankle boots rounds off this look quite well.
Purple Ankle Boots with Flare Jeans Outfits In Their 30s
For something more on the cool and laid-back side, consider this combo of a black poncho and flare jeans. Take a more refined approach with shoes and introduce purple ankle boots to this outfit.