British Standard Blue (18-B-21) HEX code

This HEX color is commonly associated with British Standard colors, especially BS4800-5252 for colour-coordination in building construction collection. This particular HEX color sample is often used to illustrate color named Blue, the code 18-B-21 is also used for refference to this British Standard color. And while HEX (RGB) representation of "real world" colors is not the most accurate choice, we can still use this visual sample as a point of refference for personal research or comparison. The information below should be useful to distinguish common colors between different tints, shades, standards and manufacturers.