ΔE 20.1, loose: different enough that you should pick on purpose. Burgundy is a little darker, more muted, cooler than Cygor Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Burgundy is a little darker, more muted, cooler than Cygor Brown.
The same difference applies the other way round: Cygor Brown is a little lighter, more saturated, 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 Burgundy on the colour wheel
All matches: Cygor Brown equivalents · Burgundy equivalents