ΔE 8.3, close: similar, with a visible difference side by side. Intermediate Blue is more saturated than Anthracite Gray.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Intermediate Blue is more saturated than Anthracite Gray.
The same difference applies the other way round: Anthracite Gray is more muted.
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 Anthracite Gray on the colour wheel See Intermediate Blue on the colour wheel
All matches: Anthracite Gray equivalents · Intermediate Blue equivalents