#213031 (or 0x213031) is unknown color: approx Swamp. HEX triplet: 21, 30 and 31. RGB value is (33,48,49). Sum of RGB (Red+Green+Blue) = 33+48+49=130 (17% of max value = 765). Red value is 33 (13.28% from 255 or 25.38% from 130); Green value is 48 (19.14% from 255 or 36.92% from 130); Blue value is 49 (19.53% from 255 or 37.69% from 130); Max value from RGB is 49 - color contains mainly: blue. Hex color #213031 is not a web safe color. Web safe color analog (approx): #333333. Inversed color of #213031 is #DECFCE. Grayscale: #2B2B2B. Windows color (decimal): -14602191 or 3223585. OLE color: 3223585.
HSL color Cylindrical-coordinate representation of color #213031: hue angle of 183.75º degrees, saturation: 0.2, lightness: 0.16%. HSV value (or HSB Brightness) of color is 0.19% and HSV saturation: 0.33%. Process color model (Four color, CMYK) of #213031 is Cyan = 0.33, Magento = 0.02, Yellow = 0 and Black (K on CMYK) = 0.81.
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<style> a { background-color: #213031; } a { background-color: rgb(33,48,49); } div.DivClassName { background-color: #213031; } .BgClassName { background-color: #213031; } </style>
<style> span { border-color: #213031; } span { border-color: rgb(33,48,49); } td.TdClassName { border-color: #213031; } .TagClassName { border-color: #213031; } </style>