National Dress in Blue Day is held in March to raise awareness about colorectal cancer. On this day, people are encouraged to wear blue as a simple yet powerful way to show 1855 English Blue and White Print Day Dress Fashion History Timeline Colorectal Today, March 6th, is Dress In Blue Day. We're asking you to wear blue because we've had Enough. Enough of colorectal cancer being the top cause of cancer deaths Royal blue dress, silk dress, wrap dress, bridesmaid dress, wedding guest dress, women dress, maxi dress, evening dress, long dress National Dress in Blue Day: What it stands for and how you can take part AS USA