ΔE 13.9, fair: the same colour family, but not a straight swap. Blanched Berry is a little darker, more muted, warmer than Space Purple.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Blanched Berry is a little darker, more muted, warmer than Space Purple.
The same difference applies the other way round: Space Purple is a little lighter, more saturated, 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 Space Purple on the colour wheel See Blanched Berry on the colour wheel
All matches: Space Purple equivalents · Blanched Berry equivalents