ΔE 10.4, fair: the same colour family, but not a straight swap. Cobalt Alchemy is more saturated than Enchanted Steel.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Cobalt Alchemy is more saturated than Enchanted Steel.
The same difference applies the other way round: Enchanted Steel is more muted.
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 Steel on the colour wheel See Cobalt Alchemy on the colour wheel
All matches: Enchanted Steel equivalents · Cobalt Alchemy equivalents