ΔE 10.7, fair: the same colour family, but not a straight swap. Blueberry is a little lighter, more saturated than Translucent Purple.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Blueberry is a little lighter, more saturated than Translucent Purple.
The same difference applies the other way round: Translucent Purple is a little darker, more muted.
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 Translucent Purple on the colour wheel See Blueberry on the colour wheel
All matches: Translucent Purple equivalents · Blueberry equivalents