The mark consists of the wording "Blau" in white, stylized cursive font set inside of a white circle and overlaid on a top profile of a blue cap used for fuel, oil, radiators or the like. The wording "Blau" is underlined by a line extending from a tail of the letter "u".
The color(s) White and blue is/are claimed as a feature of the mark.
The English translation of Blau in the mark is Blue.