Chords in the Key of C
The seven diatonic chords of C Major, with Roman numerals and common progressions.
Diatonic Chords in C Major
Common Progressions in C Major
The Chords in C Major
The key of C Major contains seven diatonic chords: C, Dm, Em, F, G, Am, Bdim. The three major chords are C, F, G. These are the I, IV, and V chords, the backbone of most chord progressions in this key. The three minor chords are Dm, Em, Am, and the seventh degree is Bdim, which is rarely used as a standalone chord but appears in passing progressions and jazz harmony.
Common Chord Progressions in C Major
The most popular progression in C Major is I–V–vi–IV: C, G, Am, F. This progression is the foundation of hundreds of popular songs across rock, pop, folk, and country. The I chord (C) is the tonal centre; the V chord (G) creates tension that resolves back to I; and the IV chord (F) adds movement and contrast. Knowing these three chords alone is enough to play a large portion of songs written in C Major.
C Major on Guitar
C Major is one of the most guitar-friendly keys. Most of its diatonic chords can be played as open chord shapes or straightforward barre chords. Guitarists playing in C Major often use open voicings for a full, resonant sound, or move up the neck for a brighter tone. If the chords are too challenging in this key, use our capo chart to find a comfortable capo position that lets you play easier shapes while still sounding in C Major.
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