C# major chord

The C# major chord (C#, also written Db) 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#1E#= F3G#5

About the major chord

The root, a major third and a perfect fifth. The basic bright chord.

Formula: 1 3 5. Used in: Everywhere: pop, house, rock, gospel.

C# 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#

C# is the I chord in Db major, V chord in F# major, IV chord in Ab major, VII chord in Eb minor, VI chord in F minor and III chord in Bb minor.

It also appears in Eb Dorian (VII), Ab Dorian (IV), Bb Dorian (III), C Phrygian (II), F Phrygian (VI), Bb Phrygian (III), Db Lydian (I), Gb Lydian (V), B Lydian (II), C# Mixolydian (I), Eb Mixolydian (VII), Ab Mixolydian (IV).

Build a progression around it in the chord progression generator.

More C# chords

Other major chords

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Questions

What notes are in a C# major chord?

C#, E# (F), G#.

What is the formula of a major chord?

1 3 5. The root, a major third and a perfect fifth. The basic bright chord.

What key is C# in?

C# is a chord in Db major (I), F# major (V), Ab major (IV), Eb minor (VII).

Is C# the same as Db?

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.