Trendspotting: White tile paired with dark grout. Black grout holds up better against stains. That's the one mistake we made with our tile- we used white grout. A grey/black grout has a much better visual effect.
This is a nice-looking living room with smaller rug. Perhaps the key is to frame the rug with sofas / sofa and armchair combo / sofa and the window. And another trick is to fill up the room so the size doesn't look awkward.