D Majeur Accord

A bright, happy triad built from a root, major third, and perfect fifth.

D Accord — Quick Answer & Harmonic Definition

The D (Major) chord consists of the notes D, F#, A. It is constructed from the root note D using the major interval formula (0–4–7 semitones).

Formula: 0 – 4 – 7
Notes
D – F# – A
Intervals (semitones)
0 – 4 – 7
Type
Triad

D on Piano

Press highlighted keys simultaneously to play the D chord.

R
D (Root (R))
2
F# (Major 3rd)
3
A (Perfect 5th)

D on Guitar

Fret numbers (low E → high e string): xx0232 (x=mute, 0=open)

x
E
x
A
0
D
2
G
3
B
2
e

Interval Analysis

Degree Interval Name Semitones Note in D
Root Root (R) 0 D
3rd Major 3rd 4 F#
5th Perfect 5th 7 A

About the D Majeur Chord

The D chord (D Majeur) consists of 3 notes: D, F#, A. A bright, happy triad built from a root, major third, and perfect fifth.

To build any major chord, apply intervals of 0, 4, 7 semitones above the root. Starting from D: the notes land on D, F#, A.

Playing D on Piano

Press D, F#, A simultaneously. In root position, D is lowest. First inversion places F# in the bass for a lighter sound; second inversion uses A as the bass note.

Common Chord Progressions Using D

  • I–IV–V: D – G – A (blues and rock)
  • I–V–vi–IV: D – A – Bm – G (pop staple)
  • I–vi–IV–V: D – Bm – G – A (50s progression)

The D Chord in Context

As a major chord, D serves as the tonic (I) in the key of D major. It also appears as the IV chord in A major, and as the V chord in G major — making it one of the foundational primary triads in Western harmony.

Knowledge Base & FAQs

D Chord — Frequently Asked Questions

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What notes are in the D chord?

The D Majeur chord contains: D, F#, A.

These notes are derived by applying the major interval formula (0–4–7 semitones) to the root note D.

What is the D chord used for?

A bright, happy triad built from a root, major third, and perfect fifth.

The D chord is used across pop, rock, jazz, and classical music. As the I chord in the key of D major, it functions as the most stable resting point in progressions.

How do you play D on piano?

On piano, play D, F#, A simultaneously.

In root position, D is the lowest note. Inversions move the bass note up — first inversion has F# lowest, second inversion has A lowest.

How many notes are in a major chord?

A major chord has 3 notes: D, F#, A (in D).

It is a triad — the most fundamental chord type.

What is the difference between D major and D minor?

The D major chord (D–F#–A) uses a major third (4 semitones), giving it a bright, happy sound.

The D minor chord (D–F–A) uses a minor third (3 semitones), giving it a darker, emotional sound.

What key does D belong to?

D naturally serves as the I chord in the key of D major.

It also appears as IV in the key of A major, and as V in the key of G major.

Can I play D on ukulele?

Yes.

The ukulele uses GCEA tuning with 4 strings. The D chord notes (D, F#, A) can be fretted on a ukulele, though the shapes differ from guitar due to the 4-string layout and shorter scale.

What chords go well with D?

In the key of D major, D pairs naturally with G major (IV), A major (V), and Bm (vi).

The classic I–IV–V (D–G–A) is the foundation of blues, country, and rock.

What is a chord inversion of D?

An inversion places a non-root note in the bass.

D root position: D in bass. First inversion: F# in bass. Second inversion: A in bass. Inversions create smoother bass line movement without changing the harmony.

How do I memorize the notes in a major chord?

Remember the formula: 0–4–7 semitones from root.

For D: start on D, add 4 semitones, then 7 semitones. Practicing this across all 12 roots builds instant recognition of any major chord.