ΔE 27.4, loose: different enough that you should pick on purpose. Exile Blue is noticeably darker, more muted, warmer than Imrik Blue.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 27). Exile Blue is noticeably darker, more muted, warmer than Imrik Blue.
The same difference applies the other way round: Imrik Blue is noticeably lighter, more saturated, 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 Imrik Blue on the colour wheel See Exile Blue on the colour wheel
All matches: Imrik Blue equivalents · Exile Blue equivalents