BLUE SOFA Make your furniture the showstopper and keep walls neutral. A striking, bright blue sofa will become the room's focal point. Use neutral interior paint colours on the wall to provide a light contrast. A navy blue sofa would work wonderfully in a coastal style white living room with navy blue accent colours. With a heritage style living room, pale blue walls will complement more elaborate furniture. Stay traditional with a decorative, patterned fabric sofa in sympathetic colour tones.