There are three artists named Prussian Blue:
1) Prussian Blue is a UK blues-rock band who released their first album in 1994 and are still going strong
2) Prussian Blue is two twin sisters, Lynx Gaede and Lamb Gaede, born in 1992 who sing about their White Nationalist beliefs.
3) Prussian Blue is a Korean soft rock band that debuted on Indie Power 2002. They released their first full album in December 2006.