#212939 (or 0x212939) is unknown color: approx Midnight Express. HEX triplet: 21, 29 and 39. RGB value is (33,41,57). Sum of RGB (Red+Green+Blue) = 33+41+57=131 (17% of max value = 765). Red value is 33 (13.28% from 255 or 25.19% from 131); Green value is 41 (16.41% from 255 or 31.30% from 131); Blue value is 57 (22.66% from 255 or 43.51% from 131); Max value from RGB is 57 - color contains mainly: blue. Hex color #212939 is not a web safe color. Web safe color analog (approx): #333333. Inversed color of #212939 is #DED6C6. Grayscale: #282828. Windows color (decimal): -14603975 or 3746081. OLE color: 3746081.
HSL color Cylindrical-coordinate representation of color #212939: hue angle of 220º degrees, saturation: 0.27, lightness: 0.18%. HSV value (or HSB Brightness) of color is 0.22% and HSV saturation: 0.42%. Process color model (Four color, CMYK) of #212939 is Cyan = 0.42, Magento = 0.28, Yellow = 0 and Black (K on CMYK) = 0.78.
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<style> a { background-color: #212939; } a { background-color: rgb(33,41,57); } div.DivClassName { background-color: #212939; } .BgClassName { background-color: #212939; } </style>
<style> span { border-color: #212939; } span { border-color: rgb(33,41,57); } td.TdClassName { border-color: #212939; } .TagClassName { border-color: #212939; } </style>