ΔE 11.2, fair: the same colour family, but not a straight swap. Evil Red is a little darker, cooler than Black Leather.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Evil Red is a little darker, cooler than Black Leather.
The same difference applies the other way round: Black Leather is a little lighter, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Black Leather on the colour wheel See Evil Red on the colour wheel
All matches: Black Leather equivalents · Evil Red equivalents