ΔE 13.7, fair: the same colour family, but not a straight swap. Magenta is a little lighter, more saturated, cooler than Banner Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Magenta is a little lighter, more saturated, cooler than Banner Red.
The same difference applies the other way round: Banner Red is a little darker, 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 Banner Red on the colour wheel See Magenta on the colour wheel
All matches: Banner Red equivalents · Magenta equivalents