blue color scheme

Quick answer：

A blue color scheme refers to a color palette that predominantly features shades of blue. It is often used in design and marketing to convey a sense of calm, trust, and professionalism. Blue is a popular choice for branding and web design, as it is considered a soothing color that can improve user experience. In art and interior design, blue can evoke a range of emotions, from tranquility to melancholy.