Gradient from red to blue

Quick answer：

A gradient from red to blue refers to a gradual transition in color from red to blue. This can be achieved in various mediums such as digital art, painting, and design. In digital media, gradients are often used for background effects, while in art, they can be used to create depth and convey emotions. The transition from red to blue often represents a cool to warm color spectrum and can symbolize a range of concepts from calmness to change.