ΔE 8.7, close: similar, with a visible difference side by side. Intermediate Blue FS35164 is a little lighter than Iron Wolf.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Intermediate Blue FS35164 is a little lighter than Iron Wolf.
The same difference applies the other way round: Iron Wolf is a little darker.
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 Iron Wolf on the colour wheel See Intermediate Blue FS35164 on the colour wheel
All matches: Iron Wolf equivalents · Intermediate Blue FS35164 equivalents