A dark blue rug can dramatically enhance your living room by introducing depth, richness, and calm sophistication. Whether you opt for a textured wool weave or a low-profile modern design, deep shades of navy or midnight blue anchor the space beautifully. These rugs pair well with neutrals, creams, and warm wood tones, making them a versatile choice across various interior styles. If you’re aiming to balance a light palette or ground an open floor plan, dark blue offers elegance with just the right amount of visual weight.