ΔE 18.4, loose: different enough that you should pick on purpose. Celestial Violet is a little lighter, more muted, warmer than Blue Raspberry.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Celestial Violet is a little lighter, more muted, warmer than Blue Raspberry.
The same difference applies the other way round: Blue Raspberry is a little darker, 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 Blue Raspberry on the colour wheel See Celestial Violet on the colour wheel
All matches: Blue Raspberry equivalents · Celestial Violet equivalents