Deep blue pairing

Quick answer：

Deep blue pairing refers to the combination of deep blue colors in fashion, interior design, or other design fields. It is often used to create a sense of calmness and depth. In fashion, deep blue pairing can be seen in the use of different shades of blue to create a harmonious and cohesive look. In interior design, deep blue is a popular color choice for walls, furniture, and accessories, as it can add a touch of sophistication and elegance to a space.