Marengo is a shade of gray (black with gray tinge) or blue colors. Sometimes the color is described as a color of a wet asphalt. In the cloth manufacturing industry, marengo usually refers to the color of the fabric and means black or dark brown with small inclusions of white. Sometimes the word refers to black fabric with white threads. Marengo color became popular in Russia, and, at the beginning of the 19th century, there appeared another, light gray variation of the color called marengo-claire (marengo light).