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Guitar Chord Cm6: Structure, Notes and Theory

Cm6 — a chord from the note “C” with a velvety minor shade and a gentle sixth instead of a seventh. Fits bossa nova, soul and neo-soul, creating a retro mood and smooth voice-leading. Great for lyrical arpeggios and calm arrangements where you want warm support without excess tension.

To view possible positions and quickly find the most comfortable chord shape, use the interactive fretboard. You can change the guitar tuning, fretboard orientation, and finger display. Detailed instructions on how to use and customize the tool can be found on the main chord navigator page — make the most of it for your convenience.

Cm6 — Position 1 of 12
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Formula and Structure of the Cm6 Chord

Interval formula from the root note: 1 — b3 — 5 — 6. The chord consists of the following notes:

  • C — unison and the main tonal anchor.

  • Eb — minor third with a melancholic character and gentle lyricism.

  • G — perfect fifth, stabilizing the triad and adding tonal grounding.

  • A — major sixth with a warm upper hue, pairing with the 9 to form a soft 6/9 tonic.

Together, these notes form the harmonic foundation of the Cm6 chord, defining its sound and role in the musical context.

Alternative Names for the Cm6 Chord

There are no alternative names for this chord.

Using the Cm6 Chord

Keep the 6 in the top voice for a gentle glow. Separate 6 and b3 into different parts to avoid muddy mids. Combine with 9 for a 6/9 tint and smooth arpeggios. In bossa nova and soul the 6 -> maj7 -> 6 melodic move works beautifully. Avoid the major 7 in the low register and don’t overload the bass.

Conclusion

Cm6 is an expressive and versatile chord. Learn several fingerings, experiment with different positions and voice spacing, then try weaving it into your own playing — this will help you quickly find your unique tone.