Found it:
ang_element = angular.element(element);
raw_element = ang_element[0];
Question
All element references in Angular are always wrapped with jQuery or jqLite; they are never raw DOM references.
How can I get the raw DOM element, because I have legacy JS code (jscolor Picker) that needs the raw DOM element?
La solution
Found it:
ang_element = angular.element(element);
raw_element = ang_element[0];