A Major — diatonic chords

The most common scale in Western music. Bright, happy sound.

7 chords · one per scale degree

Diatonic triads

I
A
major
ii
Bm
minor
iii
C#m
minor
IV
D
major
V
E
major
vi
F#m
minor
vii°
G#°
dim

Chord details

DegreeNumeralChordQuality
1IAMajor
2iiBmMinor
3iiiC#mMinor
4IVDMajor
5VEMajor
6viF#mMinor
7vii°G#°Diminished

Major in other keys

CC#DD#EFF#GG#AA#B

Scale diagram

View A Major fretboard diagram →

Other scales in A

A Natural MinorA Harmonic MinorA Melodic MinorA DorianA PhrygianA Lydian

About the A Major scale's harmony

The A Major scale produces the following diatonic triads: A, Bm, C#m, D, E, F#m, G#°. These chords all use only the notes of the A Major scale. The Roman numerals (I–ii–iii–IV–V–vi–vii°) show the function of each chord within the key.