ΔE 11.4, fair: the same colour family, but not a straight swap. Purple Shadow is a little lighter, more muted than Barak-Nar Burgundy.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Purple Shadow is a little lighter, more muted than Barak-Nar Burgundy.
The same difference applies the other way round: Barak-Nar Burgundy is a little darker, more saturated.
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 Barak-Nar Burgundy on the colour wheel See Purple Shadow on the colour wheel
All matches: Barak-Nar Burgundy equivalents · Purple Shadow equivalents