You bought nice things, and the room still reads a little flat. As a designer I can usually spot why in about five seconds, and it's almost never the sofa. Here are the five fixes I see most.
Add one red thing to a room and it suddenly looks designed. That's the whole red theory, and here's how I'd use it, from a cherry bud lamp to deep oxblood marble, all from Amazon.
Your coffee table is the most photographed surface in the house, and most of us style it like a junk drawer. Designers use a simple four-part formula, and once you know it, you can't unsee it.