C sixth (C6) chord on guitar

Looking for the C6 chord on guitar? It is a major sixth chord (a major triad plus a major sixth), made of four notes: C – E – G – A.

Dots show:

Open positionmedium

A shape, fret 3medium

G shape, fret 5hard

E shape, fret 8hard

D shape, fret 10medium

C shape, fret 12medium

Tap a string on a diagram to hear just that string. The sound is generated in your browser with a physical string model.

Chord finder Transposer Tuner

What the C6 chord sounds like

A sixth chord is a major triad with an added major sixth. It has a cheerful, vintage swing colour and often stands in for the tonic in jazz and swing. It has the same notes as the relative minor seventh (C6 = Am7).

Notes of the C6 chord

Degree	Note	Interval from the root
1	C	root
3	E	major third (4 semitones)
5	G	perfect fifth (7 semitones) – often omitted on fretted instruments
6	A	major sixth (9 semitones)

How to play it – with fingering

Open position

String 1 (e): open (E4)
String 2 (B): fret 1, index finger (C4)
String 3 (G): fret 2, ring finger (A3)
String 4 (D): fret 2, middle finger (E3)
String 5 (A): fret 3, little finger (C3)
String 6 (E): not played

A shape, fret 3

String 1 (e): fret 5, ring finger (A4)
String 2 (B): fret 5, ring finger (E4)
String 3 (G): fret 5, ring finger (C4)
String 4 (D): fret 5, ring finger (G3)
String 5 (A): fret 3, index finger (C3)
String 6 (E): not played

G shape, fret 5, barre at fret 5

String 1 (e): fret 5, index finger (A4)
String 2 (B): fret 5, index finger (E4)
String 3 (G): fret 5, index finger (C4)
String 4 (D): fret 5, index finger (G3)
String 5 (A): fret 7, ring finger (E3)
String 6 (E): fret 8, little finger (C3)

For the barre, lay your index finger flat across all the marked strings at fret 5; your other fingers press the higher frets.

The “C, A, G, E and D shapes” are the CAGED system: you slide the shape of the open C, A, G, E or D chord up the neck and your index finger (a barre) takes over the job of the nut. That way the same chord can be played in five places, anywhere on the fretboard.

Tuning: E A D G B E (low to high). String 6 is the thickest, the low E. In the diagram, × means the string is not played, and a circle means an open string.

Playing C6 with a capo

A capo clamps all the strings at one fret, so a familiar open shape sounds higher. You can also get a C6 chord with these open shapes:

Capo: fret 3
shape: A6

Capo: fret 5
shape: G6

Rework a whole song for a capo: chord transposer →

Which keys is it in?

The C6 chord is built from the notes of these keys (for minor keys, both the natural and the harmonic minor are considered):

C major: I6 (tonic)
F major: V6 (dominant)
G major: IV6 (subdominant)
D minor: VII6
A minor: III6
E minor: VI6

Similar chords and substitutes

If C6 is too hard, or you want a different colour in the same spot, these chords are worth a try.

Substitutes (by function)

Am – relative minor: two shared notes, a common stand-in for the tonic
Em – mediant minor (iii): two shared notes
Cmaj7 – a softer, jazzier tonic colour
Csus4 – suspended version that resolves back to this chord

Same notes

Am7 – the same notes with a different root

Simpler versions

C – all 3 of its notes are in this chord
C5 – all 2 of its notes are in this chord

Richer versions

C13 – the same chord plus 2 colour notes

Frequently asked questions

What notes are in the C6 chord?

C, E, G, A. The root is C; the intervals of the other notes from the root: major third, perfect fifth, major sixth.

What is the easiest way to play C6 on guitar?

The easiest shape above is “Open position”. We show 6 shapes, from open and easy versions to movable barre shapes higher up the neck. With a capo you can also play it as a A6 shape at fret 3 or a G6 shape at fret 5.

How do I read the chord diagram?

Strings run from the lowest (left) to the highest (right) – tick “Left-handed” to mirror it. Rows are frets; a number at the side shows the starting fret. Dots are fingers (1 index, 2 middle, 3 ring, 4 little), a long bar is a barre, × means don't play that string and ○ means play it open.

Why is a note missing from some C6 shapes?

On a fretted instrument you can't always play every note of a 4-note chord. The fifth (G) may be dropped – the chord keeps its character without it.

How is the C6 chord written?

The chord symbol is C6, and its full name is C sixth.