ΔE 18.9, loose: different enough that you should pick on purpose. Scarlet is more muted, warmer than Mindcrime Magenta.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Scarlet is more muted, warmer than Mindcrime Magenta.
The same difference applies the other way round: Mindcrime Magenta is more saturated, 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 Mindcrime Magenta on the colour wheel See Scarlet on the colour wheel
All matches: Mindcrime Magenta equivalents · Scarlet equivalents