ΔE 13.1, fair: the same colour family, but not a straight swap. Evil Sunz Scarlet is noticeably darker than Blood Red Skies.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Evil Sunz Scarlet is noticeably darker than Blood Red Skies.
The same difference applies the other way round: Blood Red Skies is noticeably lighter.
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 Blood Red Skies on the colour wheel See Evil Sunz Scarlet on the colour wheel
All matches: Blood Red Skies equivalents · Evil Sunz Scarlet equivalents