The Dark / Navy Blue ribbon represents colon cancer, colorectal cancer, alopecia awareness, Acute Respiratory Distress Syndrome, ARDS, Chronic Fatigue Syndrome (CFS), Colitis awareness, Crohn's Disease, Cyclic Vomiting Syndrome, CVS, Epstein-Barr Virus, Erb's Palsy, Guillain Barre Syndrome, Huntington's Disease, Ichthyosis, Koolen-de Vries Syndrome, Krabbe Disease, Mastocytosis, Rectal Cancer, and Restless Legs Syndrome.