Cdim7/B Guitar Chord

The C diminished seventh over B is a dominant chord. Explore fingerings, progressions, and theory analysis below.

Finger Positions

Dominant
Cdim7/B diagram
Root Note C
Name C diminished seventh over B
Intervals 1P-3m-5d-7d
Relative Minor Am
Notes B, C, Eb, Gb, A
Aliases Cdim7, C°7, Co7

Common Progressions Popular patterns using C

I-V-vi-IV

C → G → Am → F

vi-IV-I-V

Am → F → C → G

Diatonic Family (Triads)

C Dm Em F G Am Bdim

Diatonic Family (7ths)

Cmaj7 Dm7 Em7 Fmaj7 G7 Am7 Bm7b5

Scale Compatibility

View All Scales
Diminished Ultralocrian Locrian 6 Dorian #4 Lydian Diminished Hungarian Major Lydian #9 Half-Whole Diminished Composite Blues Messiaen's Mode #7 Chromatic

* 11 scales found containing the notes B, C, Eb, Gb, A.

Audio & MIDI Analysis

MIDI Numbers 71, 60, 63, 66, 69
Frequencies (Hz)

493.8833012561241, 261.6255653005986, 311.1269837220809, 369.9944227116344, 440