C#maj7 chord

The C#maj7 chord (C# major seventh, also written Dbmaj7) 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#5B#= C7

About the major seventh chord

A major chord with a major seventh on top. Soft, warm and a little jazzy.

Formula: 1 3 5 7. Used in: Deep house, lo-fi, R&B, neo soul and chillout.

C#maj7 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#maj7

C#maj7 is the I chord in Db major, IV chord in Ab major, VI chord in F minor and III chord in Bb minor.

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

Build a progression around it in the chord progression generator.

More C# chords

Other major seventh chords

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Questions

What notes are in a C#maj7 chord?

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

What is the formula of a major seventh chord?

1 3 5 7. A major chord with a major seventh on top. Soft, warm and a little jazzy.

What key is C#maj7 in?

C#maj7 is a chord in Db major (I), Ab major (IV), F minor (VI), Bb minor (III).

Is C#maj7 the same as Dbmaj7?

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.