ΔE 19.9, loose: different enough that you should pick on purpose. Deep Magenta is much more saturated, cooler than Sword Hilt Burgundy.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Deep Magenta is much more saturated, cooler than Sword Hilt Burgundy.
The same difference applies the other way round: Sword Hilt Burgundy is 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 Sword Hilt Burgundy on the colour wheel See Deep Magenta on the colour wheel
All matches: Sword Hilt Burgundy equivalents · Deep Magenta equivalents