Imrik Blue vs Azurite Hue

How close are they?

ΔE 8.4, close: similar, with a visible difference side by side. Azurite Hue is a little darker, more muted than Imrik Blue.

Can I use Azurite Hue instead of Imrik Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Azurite Hue is a little darker, more muted than Imrik Blue.

Can I use Imrik Blue instead of Azurite Hue?

The same difference applies the other way round: Imrik Blue is a little lighter, more saturated.

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.