The hex color #a8c0c3 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#573F3C. The grayscale version is
#B9B9B9. A 20% lighter version of the original color is
#DBF3F6, and Hex
#758D90 is the 20% darker color. If the color is saturated by 10%, you get
#A6C1C4. If the color is desaturated by 10%, the color
#AABFC2 is obtained.