A modern gent's polished wardrobe should always include such mainstays as a tan blazer and dark brown dress pants. If not sure about the footwear, stick to loafers.
Dark Brown Dress Pants with Loafers Dressy Warm Weather Outfits For Men
A beige plaid blazer and dark brown dress pants are a sophisticated getup that every stylish gentleman should have in his wardrobe. The whole ensemble comes together when you complement this outfit with loafers.
A brown turtleneck and dark brown dress pants are absolute wardrobe heroes if you're piecing together a refined wardrobe that matches up to the highest sartorial standards. All you need is a pair of loafers to round off your ensemble.
For an outfit that's classic and GQ-worthy, consider pairing a navy double breasted blazer with dark brown dress pants. Send an otherwise mostly classic getup a more casual path by rounding off with loafers.
Putting together a tan blazer and dark brown dress pants will be a good exhibition of your styling prowess. The whole getup comes together if you add a pair of loafers to the equation.