ΔE 12.1, fair: the same colour family, but not a straight swap. Quinacridone Violet is a little darker, warmer than Quinacridone Magenta.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Quinacridone Violet is a little darker, warmer than Quinacridone Magenta.
The same difference applies the other way round: Quinacridone Magenta is a little lighter, 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 Quinacridone Magenta on the colour wheel See Quinacridone Violet on the colour wheel
All matches: Quinacridone Magenta equivalents · Quinacridone Violet equivalents