ΔE 15.6, loose: different enough that you should pick on purpose. Sunrise Blue is more muted, cooler than Cloud Blue.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Sunrise Blue is more muted, cooler than Cloud Blue.
The same difference applies the other way round: Cloud Blue is 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 Cloud Blue on the colour wheel See Sunrise Blue on the colour wheel
All matches: Cloud Blue equivalents · Sunrise Blue equivalents