F

F Major — the foundation triad — stable, bright, and the reference point every other chord colour is measured against.

The keys
C4C5C6
F – A – C
What's inside F
NoteInterval from rootDegree
FRoot1
AMajor 3rd3
CPerfect 5th5
Inversions
PositionKeys (low → high)
Root positionF4 – A4 – C5
1st inversionA4 – C5 – F5
2nd inversionC5 – F5 – A5
A working voicing

Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:

HandKeys
Left (shell)F2 – C3
Right (colour)A4 – C5
Where F lives

As the I chord

F → B♭ → C → F

The classic I–IV–V–I motion with this chord as home.

In a ii–V–I

Gm7 → C7 → F

The strongest cadence in harmony, resolving onto this chord.

Put F under your fingers

Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.

Open the Chord & Voicing Lab →
Major in every key
C C♯ D E♭ E F♯ G A♭ A B♭ B