ΔE 25.3, loose: different enough that you should pick on purpose. Forged Red is noticeably lighter, warmer than Scarab Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Forged Red is noticeably lighter, warmer than Scarab Red.
The same difference applies the other way round: Scarab Red is noticeably darker, 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 Scarab Red on the colour wheel See Forged Red on the colour wheel
All matches: Scarab Red equivalents · Forged Red equivalents