ΔE 11.1, fair: the same colour family, but not a straight swap. Bruised Purple is a little lighter, more muted, cooler than Grimoire Purple.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Bruised Purple is a little lighter, more muted, cooler than Grimoire Purple.
The same difference applies the other way round: Grimoire Purple is a little darker, more saturated, 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 Grimoire Purple on the colour wheel See Bruised Purple on the colour wheel
All matches: Grimoire Purple equivalents · Bruised Purple equivalents