The hex color #12a1cb is a dark color. The web-safe version is Hex
#0099CC. A complementary color is
#ED5E34. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#45D4FE, and Hex
#006E98 is the 20% darker color. If the color is saturated by 10%, you get
#07A4D3. If the color is desaturated by 10%, the color
#1D9EC3 is obtained.