ΔE 13.9, fair: the same colour family, but not a straight swap. Quinacridone Magenta is noticeably darker, warmer than Spellbound Fuchsia.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Quinacridone Magenta is noticeably darker, warmer than Spellbound Fuchsia.
The same difference applies the other way round: Spellbound Fuchsia is noticeably 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 Spellbound Fuchsia on the colour wheel See Quinacridone Magenta on the colour wheel
All matches: Spellbound Fuchsia equivalents · Quinacridone Magenta equivalents