This is the 4291st most frequent Dutch word.
blauw
Blue.
In this context, 'blauw' is used metaphorically to describe the bluish tint skin might have due to cold exposure.
Hij werd helemaal blauw van de kou.
He turned completely blue from the cold.
In this sentence, 'blauw' is used as an adjective to describe the color of the sky.
De lucht is vandaag helder blauw.
The sky is clear blue today.
Here, 'blauw' is used in its inflected form 'blauwe' to agree with the noun 'jas' it is describing.