ΔE 13.4, fair: the same colour family, but not a straight swap. Quinacridone Magenta is a little darker, more muted, cooler than Dragon Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Quinacridone Magenta is a little darker, more muted, cooler than Dragon Red.
The same difference applies the other way round: Dragon Red is a little lighter, more saturated, warmer.
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 Dragon Red on the colour wheel See Quinacridone Magenta on the colour wheel
All matches: Dragon Red equivalents · Quinacridone Magenta equivalents