A color scheme in blue tones refers to a design aesthetic that predominantly uses shades, hues, and tints of the color blue. This scheme is often associated with calmness, stability, and professionalism. It is widely used in interior design, graphic design, and fashion. Blue is considered a primary color and can be mixed with other colors to create various shades. In design, a blue tone scheme can range from soft, muted shades to vibrant and bold hues.