blau

Blau is a term that can refer to the color blue in German as well as to people and places bearing the name. In German, blau is the standard adjective for the color blue and is used across everyday language, design, and culture. As a proper noun, Blau appears in surnames and toponyms and in various compound names.

Historically, blau comes from Old High German blāw and is related to cognates in other Germanic languages, reflecting the same color concept.

Blau as a surname. Blau is a surname of German origin that has been adopted by Ashkenazi Jewish communities as well. In the modern world, people named Blau can be found in German-speaking countries and in diaspora communities in the United States, Israel, and elsewhere.

Other uses. The form Blau appears in various institutional names, brands, and in the naming of geographical features in German-speaking areas.