Chord Colors

C sharp seven chord
PianoGuitar

About the C sharp seven chord

C sharp seven is used in C sharp Mixolydian, where its notes spell the I chord. Think of it as a C♯ dominant seventh chord.

Its notes are C♯, E♯, G♯, and B. The intervals are a major third, a perfect fifth, and a minor seventh.

Also called dom7. D flat seven spells the same notes enharmonically.

Learn more about the C♯7 chord

Inversions

Position 1 of 4

C sharp seven (root position)

Notes and intervals

1C#C♯Root
2E#E♯Major 3rd
3G#G♯Perfect 5th
4BBMinor 7th

Shapes

Chromatic

CC♯D♭DD♯E♭EFF♯G♭GG♯A♭AA♯B♭B

Circle of Fifths

CGDAEBF♯G♭C♯D♭G♯A♭D♯E♭A♯B♭F

Keys that use C sharp seven

C sharp seven is diatonic to these keys, where its notes spell the chord shown.

IC sharp Mixolydian scaleIC sharp Phrygian Dominant scaleIC sharp Lydian Dominant scaleIC sharp Aeolian Dominant scaleIC sharp Mixolydian ♭2 scaleIIB Lydian scaleIIB Lydian Dominant scaleIIB Lydian Augmented scaleIIB Dorian ♯4 scaleIIB Lydian Diminished scaleIIIA sharp Phrygian scaleIIIA sharp Dorian ♭2 scale

Other C sharp chords

Simpler triads

C sharp five chordC sharp major chordC sharp minor chordC sharp diminished chordC sharp augmented chord

Suspended

C sharp suspended two chordC sharp suspended four chordC sharp seven suspended four chordC sharp nine suspended four chordC sharp thirteen suspended four chord

Sixths and sevenths

C sharp six chordC sharp minor six chordC sharp minor flat six chordC sharp major seven chordC sharp minor seven chordC sharp minor seven flat five chordC sharp diminished seven chordC sharp minor major seven chordC sharp major seven flat five chordC sharp major seven sharp five chordC sharp minor major seven flat five chord

Extensions

C sharp nine chordC sharp add nine chordC sharp major nine chordC sharp minor nine chordC sharp eleven chordC sharp thirteen chordC sharp six nine chordC sharp minor add nine chordC sharp major eleven chordC sharp major thirteen chordC sharp minor eleven chordC sharp minor thirteen chordC sharp minor six nine chordC sharp minor major nine chordC sharp minor major eleven chord

Altered

C sharp seven sharp five chordC sharp seven flat five chordC sharp seven flat nine chordC sharp seven sharp nine chordC sharp nine flat five chordC sharp nine sharp eleven chordC sharp nine sharp five chord

Functional relationships

These chords are where this one most naturally comes from and resolves to inside a key.

Relative minor

A sharp minor chord Learn more about Relative minor

The relative minor uses the same notes and key signature, so it works as a calmer, darker home base.

Parallel minor

C sharp minor chord Learn more about Parallel minor

The parallel minor keeps the same root note but lowers the third, giving the same key a darker, sadder sound.

Dominant

G sharp major chord Learn more about Dominant

The dominant is a fifth above the root, and it builds tension that pulls strongly back to this chord.

Subdominant

F sharp major chord Learn more about Subdominant

The subdominant is a fourth above the root (a fifth below), and it usually leads on to the dominant or back home.

Tritone substitution

G seven chord Learn more about Tritone substitution

The tritone substitution is a dominant chord a tritone away that shares the same tension, so it can stand in for this chord and resolve the same way.

Embed this chord

Paste the snippet into a lesson page, a blog or a forum post. The card links back here.

C♯7 chord on piano shown as colored note dots
Chord Colors

There's so much more to explore

Explore on the go. Over 150 chord progressions, modal mixture, build your own progressions, and more!

Try web version iOS app
Chord Colors on iPhone showing chords, guitar voicings, progressions, and scales