Coating material, preparation method thereof and electronic product shell

The invention discloses a coating material, a preparation method thereof and an electronic product shell. The invention relates to a coating material which comprises a base material and a film layer located on the surface of the base material, the film layer comprises a base layer, a transition layer and a color layer which are sequentially stacked, the base layer is located on the surface of the base material, and the base layer comprises an X1 element; the transition layer comprises X2, Si, Y1 and C elements; the color layer comprises Ti, Si, Y2 and C elements, and the molar ratio of Ti to Si to Y2 to C is 5: (1-3): (1-3): (10-18); wherein the X1 element comprises a Cr element and/or a Ti element, the X2 element comprises a Cr element and/or a Ti element, the Y1 element comprises at least one of Zr, W and Nb, and the Y2 element comprises at least one of Zr, W and Nb. The film layer of the coating material can present a uniform blue effect, and has good wear resistance and corrosion resistance. 一种镀膜材料及其制备方法、