ΔE 10.5, fair: the same colour family, but not a straight swap. Ionic Blue is a little lighter, more muted, cooler than Enchanted Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Ionic Blue is a little lighter, more muted, cooler than Enchanted Blue.
The same difference applies the other way round: Enchanted Blue is a little darker, more saturated, 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 Enchanted Blue on the colour wheel See Ionic Blue on the colour wheel
All matches: Enchanted Blue equivalents · Ionic Blue equivalents