ΔE 9.3, close: similar, with a visible difference side by side. Dk Mediterr. Blue is a little lighter, warmer than Steely Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Dk Mediterr. Blue is a little lighter, warmer than Steely Blue.
The same difference applies the other way round: Steely 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 Steely Blue on the colour wheel See Dk Mediterr. Blue on the colour wheel
All matches: Steely Blue equivalents · Dk Mediterr. Blue equivalents