ΔE 6.8, close: similar, with a visible difference side by side. Blue is more saturated, warmer than Blue FS15044.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Blue is more saturated, warmer than Blue FS15044.
The same difference applies the other way round: Blue FS15044 is 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 Blue FS15044 on the colour wheel See Blue on the colour wheel
All matches: Blue FS15044 equivalents · Blue equivalents