The C major sixth chord (abbreviated "C6 chord") is a four-note chord consisting of the notes C, E, G, and A. The chord is formed by adding a major sixth to a C major chord.

Name
C major sixth chord
Notes
C E G A
Intervals
1 3 5 6
Chord symbol
C6
Type
tetrad (four-note chord)

C6 chord on piano

C6 chord on guitar

C6 chord on ukulele

C6 chord on the staff