Birth Color Encyclopedia blue-purple
Birth Color Encyclopedia 
Colors of layered garments What is blue-violet (aomurasaki)? An explanation of the origin, history, and color scheme of layered garments.
Japanese Color Encyclopedia What is Aomurasaki (blue-violet)? An explanation of the origin, history, and color scheme of this traditional Japanese color.
Japanese Color Encyclopedia What is Ruri-iro (lapis lazuli blue)? An explanation of the origin, history, and color scheme of this traditional Japanese color.
Japanese Color Encyclopedia