Singular

das

Blau

Q: Is it der, die, or das Blau?

It is das Blau. In German, every noun has a grammatical gender, and Blau is neuter. You should always learn the article together with the noun to ensure your German grammar is correct.

Q: What is the plural of das Blau?

The plural form of das Blau is die Blau. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

Q: What does das Blau mean in English?

The German word das Blau translates to “blue” in English.

Q: How do you decline das Blau?

Like all German nouns, Blau changes its article depending on the case. In the singular, the forms are: Nominativ: das Blau Akkusativ: das Blau Dativ: dem Blau Genitiv: des Blaus These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.

blue

Plural: die Blau

Strong

Why does the noun Blau have the article das?

Colors used as nouns are neuter.

Examples

das Rot (the red), das Blau (the blue), das Grün (the green), das Gelb (the yellow), das Schwarz (the black), das Weiß (the white)

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Declension table for German noun Blau

How it changes across the four cases.

Case	Definite	Indefinite	Negative
Nominativ	das Blau	ein Blau	kein Blau
Akkusativ	das Blau	ein Blau	kein Blau
Dativ	dem Blau	einem Blau	keinem Blau
Genitiv	des Blaus	eines Blaus	keines Blaus
Nominativ	die Blau	Blau	keine Blau
Akkusativ	die Blau	Blau	keine Blau
Dativ	den Blau	Blau	keinen Blau
Genitiv	der Blau	Blau	keiner Blau

Examples in context

Real sentences using Blau in different cases.

Case	Definite	Indefinite	Negative
Nominativ	Das helle Blau ist meine Farbe.The light blue is my color.	Ein schönes Blau ist hier.A beautiful blue is here.	Kein dunkeles Blau ist gut.No dark blue is good.
Akkusativ	Ich mag das helle Blau.I like the light blue.	Sie wählt ein schönes Blau.She chooses a beautiful blue.	Ich mag kein dunkeles Blau.I don't like any dark blue.
Dativ	Ich male mit dem hellen Blau.I paint with the light blue.	Er arbeitet mit einem schönen Blau.He works with a beautiful blue.	Ich male mit keinem dunkelen Blau.I don't paint with any dark blue.
Genitiv	Die Tiefe des hellen Blaus ist groß.The depth of the light blue is great.	Die Tiefe eines schönen Blaus ist groß.The depth of a beautiful blue is great.	Ich kenne die Tiefe keines dunkelen Blaus.I don't know the depth of any dark blue.
Nominativ	Die hellen Blau sind schön.The light blues are beautiful.	Schöne Blau sind beliebt.Beautiful blues are popular.	Keine dunkelen Blau sind hier.No dark blues are here.
Akkusativ	Ich mag die hellen Blau.I like the light blues.	Sie wählt schöne Blau.She chooses beautiful blues.	Ich mag keine dunkelen Blau.I don't like any dark blues.
Dativ	Ich male mit den hellen Blau.I paint with the light blues.	Er arbeitet mit schönen Blau.He works with beautiful blues.	Ich male mit keinen dunkelen Blau.I don't paint with any dark blues.
Genitiv	Die Tiefe der hellen Blau ist groß.The depth of the light blues is great.	Die Tiefe schöner Blau ist groß.The depth of beautiful blues is great.	Ich kenne die Tiefe keiner dunkelen Blau.I don't know the depth of any dark blues.

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Frequently asked questions

Everything you might wonder about der, die, das — and the Der Artikel app.

Is it der, die, or das Blau?

It is das Blau. In German, every noun has a grammatical gender, and Blau is neuter. You should always learn the article together with the noun to ensure your German grammar is correct.

What is the plural of das Blau?

The plural form of das Blau is die Blau. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

What does das Blau mean in English?

The German word das Blau translates to “blue” in English.

How do you decline das Blau?

Like all German nouns, Blau changes its article depending on the case. In the singular, the forms are:

Nominativ: das Blau
Akkusativ: das Blau
Dativ: dem Blau
Genitiv: des Blaus

These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.