ΔE 28.0, loose: different enough that you should pick on purpose. Dragon Blood is a little darker, much more saturated, cooler than Cygor Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 28). Dragon Blood is a little darker, much more saturated, cooler than Cygor Brown.
The same difference applies the other way round: Cygor Brown is a little lighter, 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 Cygor Brown on the colour wheel See Dragon Blood on the colour wheel
All matches: Cygor Brown equivalents · Dragon Blood equivalents