Oxford Blue vs Necromancer Cloak

How close are they?

ΔE 8.1, close: similar, with a visible difference side by side. Necromancer Cloak is a little darker, more muted, cooler than Oxford Blue.

Can I use Necromancer Cloak instead of Oxford Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Necromancer Cloak is a little darker, more muted, cooler than Oxford Blue.

Can I use Oxford Blue instead of Necromancer Cloak?

The same difference applies the other way round: Oxford Blue 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.