ΔE 8.3, close: similar, with a visible difference side by side. Baron Blue is a little lighter, warmer than Azure Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Baron Blue is a little lighter, warmer than Azure Blue.
The same difference applies the other way round: Azure Blue is a little darker, 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 Azure Blue on the colour wheel See Baron Blue on the colour wheel
All matches: Azure Blue equivalents · Baron Blue equivalents