The hex color #3da6cb is a light color. The web-safe version is Hex
#3399CC. A complementary color is
#C25934. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#70D9FE, and Hex
#0A7398 is the 20% darker color. If the color is saturated by 10%, you get
#35A8D1. If the color is desaturated by 10%, the color
#45A4C5 is obtained.