ΔE 19.7, loose: different enough that you should pick on purpose. Phoenician Purple is a little lighter, much more saturated, cooler than Dragon Blood.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Phoenician Purple is a little lighter, much more saturated, cooler than Dragon Blood.
The same difference applies the other way round: Dragon Blood is a little darker, much 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 Dragon Blood on the colour wheel See Phoenician Purple on the colour wheel
All matches: Dragon Blood equivalents · Phoenician Purple equivalents