The hex color #a3adc1 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5C523E. The grayscale version is
#B0B0B0. A 20% lighter version of the original color is
#D6E0F4, and Hex
#707A8E is the 20% darker color. If the color is saturated by 10%, you get
#A2ADC3. If the color is desaturated by 10%, the color
#A4ADBF is obtained.