C minor/major seventh piano chord - Cm/ma7

The C minor/major seventh chord is a 4-note chord consisting of the notes C, Eb, G and B.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Cm/ma7.

Interactive piano diagram for the C minor/major seventh chord

Piano keyboard displaying the C minor/major seventh chord with the notes B# C G Cb B D# Eb

Extended Chords

Chords that are a superset of Cm/ma7. The chords include more notes but always C, Eb, G and B.

Reduced chords

Chords that are a subset of Cm/ma7. These contain less notes but all of them are included in Cm/ma7.

C minor/major 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 Cm/ma7 chord. Feel free to save or share the image as needed.

Piano chord chart for the C minor/major seventh chord (Cm/ma7). The notes C, Eb, G and B are highlighted.