This outfit with a teal double breasted blazer and a dress shirt isn't hard to pull off and easy to adapt according to circumstances. A pair of black leather ankle boots is a great pick to complete this ensemble.
Teal Double Breasted Blazer with Dress Shirt Outfits For Women In Their 30s
So as you can see, looking sophisticated doesn't take that much effort. Just marry a teal double breasted blazer with a dress shirt and you'll look stylish.