Schwarz zu blau

"Schwarz zu blau" (German for "Black to Blue") is a song released in 2009 by German reggae-dancehall-hip hop musician Peter Fox. It was the third single of his first studio album Stadtaffe and reached number three in Germany.

In 2009, Peter Fox, representing Berlin, won the Bundesvision Song Contest with the song, held in February that year in Potsdam.