#21213A (or 0x21213A) is unknown color: approx Valhalla. HEX triplet: 21, 21 and 3A. RGB value is (33,33,58). Sum of RGB (Red+Green+Blue) = 33+33+58=124 (16% of max value = 765). Red value is 33 (13.28% from 255 or 26.61% from 124); Green value is 33 (13.28% from 255 or 26.61% from 124); Blue value is 58 (23.05% from 255 or 46.77% from 124); Max value from RGB is 58 - color contains mainly: blue. Hex color #21213A is not a web safe color. Web safe color analog (approx): #333333. Inversed color of #21213A is #DEDEC5. Grayscale: #232323. Windows color (decimal): -14606022 or 3809569. OLE color: 3809569.
HSL color Cylindrical-coordinate representation of color #21213A: hue angle of 240º degrees, saturation: 0.27, lightness: 0.18%. HSV value (or HSB Brightness) of color is 0.23% and HSV saturation: 0.43%. Process color model (Four color, CMYK) of #21213A is Cyan = 0.43, Magento = 0.43, Yellow = 0 and Black (K on CMYK) = 0.77.
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<style> span { border-color: #21213A; } span { border-color: rgb(33,33,58); } td.TdClassName { border-color: #21213A; } .TagClassName { border-color: #21213A; } </style>