C#7 chord
C# dominant 7th · also written Db7
C4
C#
E#
G#
B
C5
Want it in context? Open C#7 on the full piano.
Notes
- C#R
- E#3
- G#5
- Bb7
Formula: R – 3 – 5 – b7
C#7 inversions
The same notes, with a different note in the bass.
Root position C#7
C4
C#
E#
G#
B
C5
1st inversion C#7/E#
C4
E#
G#
B
C5
C#
2nd inversion C#7/G#
C4
G#
B
C5
C#
E#
3rd inversion C#7/B
C4
B
C5
C#
E#
G#
More C# chords
Dominant 7th chords in other keys
FAQ
What notes are in the C#7 chord?
The C# dominant 7th chord (C#7) has 4 notes: C#, E#, G# and B.
How do you play C#7 on the piano?
Put your right hand on C#, E#, G# and B, starting from C#. A common fingering for three-note chords is thumb (1), middle finger (3) and little finger (5).
What is the formula of a dominant 7th chord?
R – 3 – 5 – b7 (in semitones from the root: 0, 4, 7, 10).
Is C#7 the same as Db7?
Yes. C# and Db are the same key on the piano (enharmonic), so C#7 and Db7 sound the same.