Blue-violet is a color that is popularly described as a combination of shades blue and violet. However, there are synonyms to this unique color that can be used interchangeably. One of them is periwinkle, which is a pale blue-violet color and resembles a delicate flower. Another synonym is lavender, which is a shade of light blue-violet that is widely used in interior design. Amethyst is also a great synonym for blue-violet, as it is a shade of violet-blue mostly associated with precious stones. Additionally, indigo, which is a dark blue-violet shade, can also be used as a synonym for blue-violet. These synonyms are perfect for expressing color in various contexts.