C# / Db Major Scale

C♯ / D♭ Major Scale piano keyboard diagram showing the notes C♯ D♯ E♯ F♯ G♯ A♯ B♯.

The C♯ Major Scale contains seven sharps and represents the furthest point around the sharp side of the Circle of Fifths. Built from the notes C♯, D♯, E♯, F♯, G♯, A♯ and B♯, it is encountered less frequently but offers valuable insight into advanced key signatures and theoretical relationships. Learning C♯ Major strengthens your overall understanding of the keyboard and demonstrates the consistency of the major scale formula in every key. Within the Visual Piano System, even this highly chromatic scale becomes organised into clear visual structures.

Root note:

C# / Db

Scale type:

Major

Notes:

C♯, D♯, E♯, F♯, G♯, A♯, B♯, C♯

Formula:

T T S T T T S

Relative minor:

A♯ Minor / B♭ Minor

No. of Sharps:

7 No. of Flats:

5

Practice tips:

Practice this scale slowly at first to become comfortable with the unusual layout of the black keys. Keep your fingers relaxed and trust the fingering pattern rather than looking down at every note.

Chords in scale:

C♯ Major (I) – C♯, E♯, G♯
D♯ Minor (ii) – D♯, F♯, A♯
E♯ Minor (iii) – E♯, G♯, B♯
F♯ Major (IV) – F♯, A♯, C♯
G♯ Major (V) – G♯, B♯, D♯
A♯ Minor (vi) – A♯, C♯, E♯
B♯ Diminished (vii°) – B♯, D♯, F♯