Barak-Nar Burgundy vs Dark Red

How close are they?

ΔE 9.3, close: similar, with a visible difference side by side. Dark Red is more muted, warmer than Barak-Nar Burgundy.

Can I use Dark Red instead of Barak-Nar Burgundy?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Dark Red is more muted, warmer than Barak-Nar Burgundy.

Can I use Barak-Nar Burgundy instead of Dark Red?

The same difference applies the other way round: Barak-Nar Burgundy is 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.