The C#7 (C sharp dominant 7) chord contains the notes C#, E#, G# and B. It is produced by taking the root (1), 3, 5 and b7 of the C# Major scale. It is essentially an C# chord, with an added flat 7.

C#7 is most commonly played with the root note on the 4th fret of the 5th string.

C#7 is short for C sharp dominant 7. The dominant 7 chord is a significant chord, because it plays a very important function in any given key.

The dominant 7 chord functions as a chord that resolves to the first chord in a key. For example, the C# dominant 7 chord resolves to the F# chord, which is the first chord in the key of F#.

10 Ways To Play The C#7 Chord

If you’ve come to this page just to view some chord diagrams for C#7, here they are.

C Sharp 7 Chord 10 Shapes

Some Quick C Sharp 7 Chord Theory

  • The C#7 chord contains the notes C#, E#, G# and B.
  • C#7 is short for C Sharp dominant 7.
  • The C#7 chord is produced by taking the 1 (root), 3, 5 and b7 of the C sharp Major scale.
  • The C#7 is the fifth chord in the key of C#. It resolves naturally to the C# Major chord.
  • The C#7 chord (just like all dominant 7 chords) contains the following intervals (starting from the root note): major 3rd, minor 3rd, minor 3rd, tone (which leads back to the root note).

Further Reading