Color scheme in the blue spectrum

Quick answer：

A color scheme in the blue spectrum refers to a design that primarily uses shades, tones, and hues of blue. It is often associated with calmness, tranquility, and professionalism. In interior design, it can create a soothing and relaxing environment. In fashion, blue hues can convey a sense of sophistication and elegance. In digital design, the right balance of blue tones can enhance user experience and convey a specific mood or message.