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Chords in the key of C major

The chord chart below lists all the common traids and four note extended chords belonging to the key of C major. Roman numerals indicate each chords position relative to the scale.

  • C major scale notes: C D E F G A B C
  • Major key chord sequence: Maj min min Maj Maj min dim

I ii iii IV V vi vii
Cmaj Dmin Emin Fmaj Gmaj Amin Bdim
Cmaj7 Dmin7 Emin7 Fmaj7 G7 Amin7 Bm7b5

Common chord progressions in C major
I - IV - V C - F - G
I - vi - IV - V C - Am - F - G
ii - V - I Dm7 - G7 - Cmaj7