Azure

Azure is a bright blue colour as that of the clear sky. It also refers anything or this colour. In literature, the word azure denotes the clear sky. In heraldry, it denotes the blue colour of the symbolic object, such as a saltire azure. It is also a term in biology for a small butterfly, typically of blue or purplish colours, females are shinier than males. This butterfly belongs to several genera including Celastrina, and the family Lycaenidae.