Why are red and black used to represent evil ?

Answer 1

Depends what level your on, the meaning changes

Answer 2

In western culture, these are the two most sinister colors, as red typically conveys the meaning of blood or anger, and black is that of darkness or death. Being a very visually striking combination, they can also convey a sense of power.

Source(s): https://tvtropes.org/pmwiki/pmwiki.php/Main/RedAnd...

Answer 3

Red signifies blood

Black symbolizes death