The hex color #2a9cbb is a dark color. The web-safe version is Hex
#3399CC. A complementary color is
#D56344. The grayscale version is
#808080. A 20% lighter version of the original color is
#5DCFEE, and Hex
#006988 is the 20% darker color. If the color is saturated by 10%, you get
#219FC1. If the color is desaturated by 10%, the color
#3399B5 is obtained.