ΔE 10.7, fair: the same colour family, but not a straight swap. Blue is a little lighter, more saturated, cooler than Blue FS15044.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Blue is a little lighter, more saturated, cooler than Blue FS15044.
The same difference applies the other way round: Blue FS15044 is a little darker, more muted, warmer.
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