Want to make a really bold rug work? Keep the other elements in the room subdued, so that the rug can take center stage. This colorful Moroccan rug (in a space from Bolig) looks especially nice against a dark floor.
dark walls dark sofa, consider your furniture colors when selecting a wall color. This sofa blends into the walls even though it's a bluer/cooler gray than the walls. More contrast in the colors would set off the sofa.