C# major on the circle of fifths: key signature and diatonic chords

Key signature, relative key, diatonic chords, and neighboring keys for C# major on the circle of fifths: 5 flats in the key signature (Bb, Eb, Ab, Db, Gb).

Tap a key on the outer ring (majors) or inner ring (relative minors).

Db major

relative: Bb minor

Key signature

BbEbAbDbGb

Diatonic chords

IC#iiD#m iiiFm IVF#VG#viA#m vii°Cdim

major

minor

diminished

See the Db major scale →Try a progression in this key →

C# major

C# major has 5 flats in the key signature (Bb, Eb, Ab, Db, Gb). Its main chords are I: C# major, IV: F# major, V: G# major. The neighboring keys on the circle of fifths are F# major, D# minor, A# minor, G# major, F minor.