The C major seventh chord (abbreviated "Cmaj7 chord") is a four-note chord consisting of the notes C, E, G, and B. The chord is formed by adding a major seventh to a C major chord.

Name
C major seventh chord
Notes
C E G B
Intervals
1 3 5 7
Chord symbol
Cmaj7
Alternative symbols
C C7 Cma7 CMA7 CM7
Type
tetrad (four-note chord)

Cmaj7 chord on piano

Cmaj7 chord on guitar

Cmaj7 chord on ukulele

Cmaj7 chord on the staff