The hex color #a3c3bb is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5C3C44. The grayscale version is
#B6B6B6. A 20% lighter version of the original color is
#D6F6EE, and Hex
#709088 is the 20% darker color. If the color is saturated by 10%, you get
#A1C4BC. If the color is desaturated by 10%, the color
#A5C2BA is obtained.