ΔE 8.3, close: similar, with a visible difference side by side. Purple is more saturated, warmer than Cultist Purple.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Purple is more saturated, warmer than Cultist Purple.
The same difference applies the other way round: Cultist Purple is 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 Cultist Purple on the colour wheel See Purple on the colour wheel
All matches: Cultist Purple equivalents · Purple equivalents