At her swearing-in, Speaker Pelosi wore this color (also a longtime symbol of power) as a symbol of the Suffragettes
Smedinghoff, said the... [DOC] [TLE] Entire Issue - Congress.gov [PAR] Mar 14, 2016 ... b This symbol represents the time of day during the House proceedings, e.g., .... 
band and her country was her service.