ΔE 13.5, fair: the same colour family, but not a straight swap. Purple Shadow is a little darker, more saturated, warmer than Bruised Purple.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Purple Shadow is a little darker, more saturated, warmer than Bruised Purple.
The same difference applies the other way round: Bruised Purple is a little lighter, more muted, 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 Bruised Purple on the colour wheel See Purple Shadow on the colour wheel
All matches: Bruised Purple equivalents · Purple Shadow equivalents