C-flat major

C-flat major is a major scale based on C-flat. Its key signature has seven flats.

C♭ major

Relative key	A♭ minor
Parallel key	C♭ minor enharmonic: B minor
Notes in this scale
C♭, D♭, E♭, F♭, G♭, A♭, B♭, C♭

Its relative minor is A-flat minor, and its parallel minor is C-flat minor. This is usually replaced by B minor because C♭ minor's three double-flats make it generally impractical to use.

Its enharmonic equivalent is B major.

Most composers prefer to use the enharmonic equivalent B major because it has just five sharps.