What are the chords in the key of C Major?

The seven diatonic chords in the key of C Major are: C, Dm, Em, F, G, Am, Bm. These correspond to the Roman numerals I, ii, iii, IV, V, vi, vii.

What are common chord progressions in the key of C Major?

Two of the most popular progressions in C Major are the I–V–vi–IV (C – G – Am – F) and the I–IV–V–I (C – F – G – C). These appear in countless pop, rock, and folk songs.

Chords in the Key of C Major

The key of C Major contains seven diatonic chords: C, Dm, Em, F, G, Am, Bm. Use the interactive generator below to build progressions, hear them played back with drums and accompaniment, and export to MIDI.

Diatonic Chords in C Major

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vii

Relative Minor

The relative minor of C Major is A Minor. Both keys share the same set of notes and diatonic chords, but centre on a different tonic — making A Minor the natural choice for a darker or more melancholic feel.

Modes of C Major

Every mode below is built from the same seven notes as C Major, starting on a different scale degree.

C MajorI – ii – iii – IV – V – vi – vii

D Doriani – ii – III – IV – v – vi – VII

E Phrygiani – II – III – iv – v – VI – vii

F LydianI – II – iii – iv – V – vi – vii

G MixolydianI – ii – iii – IV – v – vi – VII

A Minori – ii – III – iv – v – VI – VII

About C Major

C Major is the most common key in Western music. With no sharps or flats, it maps directly to the white keys on a piano, making it the natural starting point for beginners on any instrument.

The I–V–vi–IV progression (C–G–Am–F) is one of the most widely used chord patterns in pop music, appearing in countless hits across decades. C Major's simplicity makes it an ideal key for learning music theory fundamentals like intervals, triads, and voice leading.

Despite its reputation as a beginner key, C Major is used extensively in professional recordings. Its neutral character means it works across virtually every genre, from classical sonatas to electronic dance music.