C#dim7/B Guitar Chord

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

Finger Positions

Dominant
C#dim7/B diagram
Root Note C#
Name C# diminished seventh over B
Intervals 1P-3m-5d-7d
Relative Minor A#m
Notes B, C#, E, G, Bb
Aliases C#dim7, C#°7, C#o7

Common Progressions Popular patterns using C#

I-V-vi-IV

C# → G# → A#m → F#

vi-IV-I-V

A#m → F# → C# → G#

Diatonic Family (Triads)

C# D#m Fm F# G# A#m Cdim

Diatonic Family (7ths)

C#maj7 D#m7 Fm7 F#maj7 G#7 A#m7 Cm7b5

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#, E, G, Bb.

Audio & MIDI Analysis

MIDI Numbers 71, 61, 64, 67, 70
Frequencies (Hz)

493.8833012561241, 277.1826309768721, 329.6275569128699, 391.99543598174927, 466.1637615180899