Chord

C7 chord

C7 is a dominant seventh chord with the notes C, E, G, B♭.

B♭♭7

Intervals

Note	Interval	Semitones
C	root	0
E	major 3rd	4
G	perfect 5th	7
B♭	minor 7th	10

Inversions

Root position	C – E – G – B♭
1st inversion	E – G – B♭ – C (C7/E)
2nd inversion	G – B♭ – C – E (C7/G)
3rd inversion	B♭ – C – E – G (C7/B♭)

Keys that contain C7

V7 in F major VII7 in D minor

Related chords

C Cmaj7 C6 Cadd9 Csus4

How to build a dominant seventh chord

A dominant seventh chord is a major triad with a minor 7th added. It is the V7 chord of a major key and pulls strongly towards the tonic; it is also the basic chord of the blues.

Look up any other chord with the Scale & Chord Finder.