C dominant seventh piano chord - C7

The C dominant seventh chord is a 4-note chord consisting of the notes C, E, G and Bb.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as C7.

Interactive piano diagram for the C dominant seventh chord

Piano keyboard displaying the C dominant seventh chord with the notes B#CFbEGA#Bb

Extended Chords

Chords that are a superset of C7. The chords include more notes but always C, E, G and Bb.

Reduced chords

Chords that are a subset of C7. These contain less notes but all of them are included in C7.

Scales with C7

Below you find all scales that include C7:

  • mixolydian pentatonic
  • lydian dominant pentatonic
  • mixolydian b6
  • lydian dominant
  • lydian minor
  • phrygian dominant
  • hungarian major
  • flamenco
  • mixolydian
  • spanish heptatonic
  • bebop
  • bebop minor
  • half-whole diminished
  • kafi raga
  • composite blues
  • messiaen's mode #3
  • chromatic

C dominant seventh piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the C7 chord. Feel free to save or share the image as needed.

Piano chord chart for the C dominant seventh chord (C7). The notes C, E, G and Bb are highlighted.