In Violon rouge sur fond bleu, the viewer is greeted by a striking contrast of colors. The painting features a vibrant red violin set against a deep blue background. The boldness of the colors creates a lively atmosphere.

The composition is simple yet effective, focusing on the violin as the central subject. The painting is executed in oil on canvas, a medium that allows for rich color application. Dufy's brushwork is loose and expressive, typical of the Fauvist style. The use of color is not just for representation but also to convey emotion.

The painting's dimensions are approximately 60 x 80 cm, making it a manageable size for display. Raoul Dufy was a prominent figure in the Fauvist movement, known for his use of color and light. This work, painted around the 1910s, showcases his ability to blend simplicity with vibrancy. An interesting fact about this piece is that it reflects Dufy's fascination with musical instruments, often incorporating them into his still life compositions.

The red violin serves as a symbol of passion and creativity in art.