Since most rulers in history had dark hair, is there historic systemic racism against light hair?

Every year redheads from around the world gather in netherlands to continue the fight against dehumanization, discrimination and bullying against redheads, shouldn't blondes do this too?

https://dutchreview.com/culture/redhead-days-festival-tilburg-2021/

Since most rulers in history had dark hair, is there historic systemic racism against light hair?
Post Opinion