Han purple and Han blue

Detail of a mural from an Eastern Han tomb near Luoyang, Henan showing a pair of Liubo players, containing both Han blue and Han purple pigments

Han purple and Han blue (also called Chinese purple and Chinese blue) are synthetic barium copper silicate pigments developed in China and used in ancient and imperial China from the Western Zhou period (1045–771 BC) until the end of the Han dynasty (c. 220 AD).