ΔE 8.9, close: similar, with a visible difference side by side. Oiled Leather is a little lighter, warmer than Bloodreaver Flesh.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Oiled Leather is a little lighter, warmer than Bloodreaver Flesh.
The same difference applies the other way round: Bloodreaver Flesh is a little darker, cooler.
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 Bloodreaver Flesh on the colour wheel See Oiled Leather on the colour wheel
All matches: Bloodreaver Flesh equivalents · Oiled Leather equivalents