The hex color #a0a3d2 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5F5C2D. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#D3D6FF, and Hex
#6D709F is the 20% darker color. If the color is saturated by 10%, you get
#9EA2D5. If the color is desaturated by 10%, the color
#A2A4CF is obtained.