ΔE 6.5, close: similar, with a visible difference side by side. Bloody Red is a little lighter than Primary Magenta.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Bloody Red is a little lighter than Primary Magenta.
The same difference applies the other way round: Primary Magenta is a little darker.
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 Primary Magenta on the colour wheel See Bloody Red on the colour wheel
All matches: Primary Magenta equivalents · Bloody Red equivalents