1, different colors. Indigo blue, also called indigo, is dark blue and sky blue. Dark blue is a slightly darker blue than indigo. Its color is relatively stable, and it is not easy to fade even after repeated washing.

2. Wear different combinations. Indigo blue jeans are bright in color, which is more suitable for spring and summer wear and has a certain desalination effect. The color of dark blue jeans is relatively low-key, suitable for autumn and winter wear, and can be matched with tops of various colors, which is easier to match.