As an artistic treasure of Chinese civilization, the Dunhuang murals carry the cultural heritage and aesthetic wisdom of thousands of years through their color system, providing an inexhaustible source of creativity for modern fashion design. This article takes the color elements of Dunhuang murals as the research core and explores their expression paths and application practices in clothing design. The research aims to provide theoretical support and practical reference for the deep integration of traditional cultural elements and modern fashion design, and promote the dy namic inheritance of Dunhuang culture in the field of fashion.