C#dim7 Diminished

The C#dim7 chord is built from the notes C# – E – G – Bb.

Piano sound loads on first tap.

Also known as

C#dim7(add11)C#dim7(b5)C#mindimC#o(7)C#o(addb5)C#o(b5)C#o7C#o7(b5)

Chord tones, one by one

C#Root

Root

The fundamental note the chord is built on — C#.

EThird

Minor third

Three semitones — makes the chord minor (darker, sadder).

GFifth

Diminished fifth (♭5)

Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.

BbSeventh

Diminished seventh (♭♭7)

Nine semitones — a doubly-flat seventh, found in fully diminished 7th chords.

🎼 Related scales

Whole-half diminished

🎹 Modal analysis

This chord implies the Whole-half diminished scale.

🎸 Genres

Bebop jazz · Hard bop · Gypsy jazz

dim7 in every key

Cdim7C#dim7Dbdim7 Ddim7 Ebdim7 Edim7 Fdim7 F#dim7 Gbdim7 Gdim7 Abdim7 Adim7 Bbdim7 Bdim7

More C# chords

C#maj C#add13 C#add15 C#add2 C#add9 C#6(#4)C#add#13 C#add#9 C#add11 C#add9(#4)C#addb13 C#addb9 C#ma 6/9 C#majadd9add11 C#6/9(#4)C#6/9add11 C#6/9add13 C#6/9add15 C#m C#-6

More C# chords from Whole-half diminished

C#-maj7 C#m6(add9addb5)C#-(maj11b5)C#-6(add9addb5)C#m(maj9b5)C#dim713 C#dim9 C#mindim11 C#o(add#5)C#-6(b5#9)