C minor is a minor scale based on C, consisting of the pitches C, D, E♭, F, G, A♭, and B♭.

Its key signature consists of three flats.

Its relative major is E♭ major and its parallel major is C major.

The C natural minor scale is: Changes needed for the melodic and harmonic versions of the scale are written in with accidentals as necessary.

The C harmonic minor and melodic minor scales are: The scale degree chords of C minor are: