ΔE 13.8, fair: the same colour family, but not a straight swap. Blood Chalice is a little darker, more saturated, cooler than Dwarf Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Blood Chalice is a little darker, more saturated, cooler than Dwarf Flesh.
The same difference applies the other way round: Dwarf Flesh is a little lighter, more muted, 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 Dwarf Flesh on the colour wheel See Blood Chalice on the colour wheel
All matches: Dwarf Flesh equivalents · Blood Chalice equivalents