create a minimalist living room interior with a cozy and modern atmosphere use a moody dark palette with black walls and warm wooden floors a plush red velvet sofa on the right complements a channeled leather armchair on the left the round coffee table features a smooth black base with a black stone top add a rectangular light gray area rug beneath the coffee table for warmth the built in shelving unit on the left is walnut with open ends and asymmetrical shelves and vertical dividers use natural light from a large window on the right to brighten the room tray ceiling to have wood matching the floor with cove lighting back wall to have small scale upholstered wallcovering black walls doors and ceiling architecture