Pairing an olive blazer with navy jeans is an on-point idea for a casually smart ensemble. Take a classic approach with shoes and go for burgundy leather oxford shoes.
Olive Blazer with Burgundy Leather Oxford Shoes Smart Casual Outfits
An olive blazer and khaki chinos married together are a perfect match. You could perhaps get a little creative in the shoe department and spruce up this look with burgundy leather oxford shoes.