C#dim chord

The C#dim chord (C# diminished, also written Dbdim) on a piano: the notes, every inversion and the keys it belongs to. Tap play to hear it, and download it as MIDI.

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C#1Eb3Gb5

About the diminished chord

The root, a minor third and a diminished fifth. Tense and unstable, mostly used as a passing chord.

Formula: 1 b3 b5. Used in: Film music, classical, jazz, and as a step between two chords.

C#dim inversions

Tap an inversion to hear it. Inversions keep the same notes in a different order, which lets chords move smoothly from one to the next.

Keys with C#dim

C#dim is the VII chord in D major and II chord in B minor.

It also appears in E Dorian (VI), F# Phrygian (V), G Lydian (IV), A Mixolydian (III).

Build a progression around it in the chord progression generator.

More C# chords

Other diminished chords

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Questions

What notes are in a C#dim chord?

C#, E, G.

What is the formula of a diminished chord?

1 b3 b5. The root, a minor third and a diminished fifth. Tense and unstable, mostly used as a passing chord.

What key is C#dim in?

C#dim is a chord in D major (VII), B minor (II).

Is C#dim the same as Dbdim?

Yes. C# and Db are the same key on the piano, so the chords sound the same. Which name is used depends on the key of the song.