1, description: sapphire is a kind of blue, the color of pure sapphire, bright blue, also known as sapphire. Chromatographically, it is pure blue, with pure tone and pearlescent luster, so it is a kind of pearlescent color system and belongs to cool tone. The accurate numerical positioning of color is (0,47, 167), and the color of copper sulfate solution in chemistry is sapphire blue.
2. Development history: This is a color with a strong sense of visual invasion. Since 1957, this kind of blue has enjoyed the production patent, and has a new official name, international Klein blue. Its owner is yves klein, a French contemporary artist.
3. Entertainment application: Super Junior officially supports representative colors. Super Junior's official aid is a sapphire balloon. Super Junior's fan name is E.L.F (Forever Friend), played by Captain Park Jung-soo, which means "forever friends" and is also known as "Fairy" in China.
4. Sports application: The application of sapphire blue is also deeply loved by sports teams, and many teams apply sapphire blue to their uniforms. In recent years, many makeup and costumes have added sapphire elements, which is a blue color that shines in the fashion circle. It can be seen that sapphire is favored by more and more people. Royal blue and white are very noble together, so they are also very popular with many ladies.