What is sailor blues?

Sailor blues is a type of navy blue color often associated with nautical fashion and sailor uniforms. This shade of blue is darker and deeper than the traditional navy blue. The term "sailor blues" refers to the uniforms of sailors in many different countries, who wore variations of this color. It was a popular color in the early 1900s and was commonly used in military uniforms and workwear. It became a fashion trend in the 1920s and 1930s and is still used in modern clothing as a classic and timeless color.