#63728B (or 0x63728B) is unknown color: approx Waikawa Grey. HEX triplet: 63, 72 and 8B. RGB value is (99,114,139). Sum of RGB (Red+Green+Blue) = 99+114+139=352 (46% of max value = 765). Red value is 99 (39.06% from 255 or 28.12% from 352); Green value is 114 (44.92% from 255 or 32.39% from 352); Blue value is 139 (54.69% from 255 or 39.49% from 352); Max value from RGB is 139 - color contains mainly: blue. Hex color #63728B is not a web safe color. Web safe color analog (approx): #666699. Inversed color of #63728B is #9C8D74. Grayscale: #707070. Windows color (decimal): -10259829 or 9138787. OLE color: 9138787.
HSL color Cylindrical-coordinate representation of color #63728B: hue angle of 217.5º degrees, saturation: 0.17, lightness: 0.47%. HSV value (or HSB Brightness) of color is 0.55% and HSV saturation: 0.29%. Process color model (Four color, CMYK) of #63728B is Cyan = 0.29, Magento = 0.18, Yellow = 0 and Black (K on CMYK) = 0.45.
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