ΔE 8.9, close: similar, with a visible difference side by side. Blue FS 35190 is a little darker, more saturated, warmer than AII Light Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Blue FS 35190 is a little darker, more saturated, warmer than AII Light Blue.
The same difference applies the other way round: AII Light Blue is a little lighter, more muted, 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 AII Light Blue on the colour wheel See Blue FS 35190 on the colour wheel
All matches: AII Light Blue equivalents · Blue FS 35190 equivalents