C# m13 Chord

C♯ m13 chord diagram — notes: C♯,E,G♯,B,D♯,F♯,A♯

The C♯ m13 Chord Explained

C-sharp minor thirteenth is a Minor chord family color chord built from the notes C♯, E, G♯, B, D♯, F♯, and A♯. Its root is C♯, and its interval number formula is 1-♭3-5-♭7-9-11-13, which gives you the interval names root, minor third, perfect fifth, minor seventh, major ninth, perfect eleventh, and major thirteenth. You may also see it written as C♯m13, C♯min13, or C♯-13. If you are new to chord building, the widget above helps you see these notes on piano and guitar, and you can learn more about chord intervals to understand how this rich chord is formed.

C♯ m13 Alternate Names

  • C♯m13
  • C♯min13
  • C♯-13

C♯ m13 Chord Notes

C♯ m13 Chord Formula

C♯ m13 Chord Notation

How To Use C♯ m13 In Music

Because it stacks a minor seventh chord with extra color tones, C♯m13 has a smooth, jazzy, soulful sound that can feel warm, thoughtful, dreamy, or slightly tense depending on the harmony around it. On its own, C♯m13 often sounds more expressive than a plain minor chord, but when placed between other chords it can lean darker or brighter. For example, in a progression like iiVI in B major, C♯m13 can act as the ii chord before F♯7 and Bmaj7. It can also appear in pop, R&B, neo-soul, and jazz progressions such as iVIIIIVII when centered in C♯ minor, or as a color-rich substitute for a simpler minor chord. Next to brighter chords it may sound lush and elegant, while next to darker harmony it can feel moodier and deeper. If you want a simpler starting point for comparison, it helps to first understand what a minor chord is.

C♯ m13 Chord Inversions

Another useful idea for beginners is inversion, which means keeping the same chord tones but placing a note other than the root in the bass. For C♯m13, a voicing with E in the bass is a first-inversion sound, while one with G♯ or B in the bass creates different colors and levels of stability. Inversions can make the chord sound smoother, softer, less final, or more connected to the chord before and after it. Players use them to create better bass movement, reduce large jumps, and make progressions feel more flowing. Variations of C♯m13 also appear in practical playing, since musicians often omit some tones, especially the 11 or even the 5, to make the chord easier to voice while still keeping its minor thirteenth character.