ΔE 15.1, loose: different enough that you should pick on purpose. Magenta Blood is noticeably lighter, cooler than Clear Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Magenta Blood is noticeably lighter, cooler than Clear Red.
The same difference applies the other way round: Clear Red is noticeably darker, 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 Clear Red on the colour wheel See Magenta Blood on the colour wheel
All matches: Clear Red equivalents · Magenta Blood equivalents