ΔE 11.5, fair: the same colour family, but not a straight swap. Pink is more saturated, cooler than Magnus the Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Pink is more saturated, cooler than Magnus the Red.
The same difference applies the other way round: Magnus the Red is more muted, 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 Magnus the Red on the colour wheel See Pink on the colour wheel
All matches: Magnus the Red equivalents · Pink equivalents