ΔE 9.9, close: similar, with a visible difference side by side. Quinacridone Magenta is more saturated than Warlock Purple.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Quinacridone Magenta is more saturated than Warlock Purple.
The same difference applies the other way round: Warlock Purple is 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 Warlock Purple on the colour wheel See Quinacridone Magenta on the colour wheel
All matches: Warlock Purple equivalents · Quinacridone Magenta equivalents