Red and blue clashing color combination

Quick answer：

Red and blue clashing color combination refers to the use of red and blue colors in a way that creates a striking contrast or a visually bold effect. This combination is often used in fashion, interior design, and graphic design to make a strong visual statement. In color theory, red and blue are considered complementary colors, meaning they contrast each other strongly when placed next to each other. This can evoke feelings of energy, action, and boldness.