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Why is Denim the Color Blue?

July 11th, 2017 Nick of Time Textiles
The Color of Denim

The Color of Denim In 2017, you can buy jeans that come in a range of different colors. Whether you want black jeans, tan jeans, or even bright red jeans, there are plenty of options available to you. But for the longest time, most jeans were blue. Denim jeans came in different shades of blue, but just about all of the jeans that were sold came in that specific color—and there’s a very good reason for it. It has everything to do with the indigo dye that has traditionally been used to make denim jeans.

Many natural dyes that are used to create clothing and other items will penetrate cloth fibers when they are applied and heated. But indigo dye, which has a very distinctive blue color to it, works differently. When indigo dye is applied to denim and then heated, it binds to the outer layer of the fabric due to the presence of a chemical agent that is called mordant, according to Slate. As a result, denim jeans become blue and stay blue.

If you’ve noticed, though, a pair of blue jeans will often change colors over the course of time with each wash. That’s because when you wash a pair of blue jeans, some of the indigo dye molecules that are on the outside of the denim fabric will be stripped from the jeans. You won’t necessarily notice it when you are moving your jeans from the washer to the dryer, but the color of your jeans will slowly evolve over time. It’s why jeans are blue and why they stay blue, albeit in different shades, throughout the life of your denim.

Are you in need of denim woven fabric? Nick of Time can provide you with as much of it as you need. Whether you are putting together a single pair of pants or creating an entire clothing line, we can supply you with denim. Check out our selection or call us at 877-447-8370 today to place an order.




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