ΔE 8.2, close: similar, with a visible difference side by side. AMT-7 Greyish Blue is more muted than Intermediate Blue (US Navy).
Usually, if you are not matching paint already on the model. Close match (ΔE 8). AMT-7 Greyish Blue is more muted than Intermediate Blue (US Navy).
The same difference applies the other way round: Intermediate Blue (US Navy) is 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.
See Intermediate Blue (US Navy) on the colour wheel See AMT-7 Greyish Blue on the colour wheel
All matches: Intermediate Blue (US Navy) equivalents · AMT-7 Greyish Blue equivalents