ΔE 10.9, fair: the same colour family, but not a straight swap. German Red Brown is a little darker, more muted, warmer than Sword Hilt Burgundy.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). German Red Brown is a little darker, more muted, warmer than Sword Hilt Burgundy.
The same difference applies the other way round: Sword Hilt Burgundy is a little lighter, more saturated, 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 Sword Hilt Burgundy on the colour wheel See German Red Brown on the colour wheel
All matches: Sword Hilt Burgundy equivalents · German Red Brown equivalents