The color name of hex code #21201B is Eerie Black. The RGB values are (33, 32, 27) which means it is composed of
36% red, 35% green and 29% blue. The CMYK color codes, used in printers, are C:0 M:3 Y:18 K:87. In the HSV/HSB scale, #21201B has a hue of 50°, 18% saturation and a brightness value of 13%. Details of other color codes including equivalent web safe and HTML & CSS colors are given in the table below. Also listed are the closest Pantone® (PMS) and RAL colors.
21201B is almost gray. We don't think there is any need to display the color palettes.
The complement of #21201B is #1B1C21 which is called Eerie Black. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #21201B color is offered by #1B1C21. The complementary color palette is easiest to use and work with. Studies have shown that contrasting color palette is the best way to grab a viewer's attention.
The analogous colors of #21201B are #1F211B and #211D1B, called Eerie Black and Eerie Black, respectively. In the RGB color wheel, they are located to the right and left of #21201B with a 30° separation. An analogous color palette is extremely soothing to the eyes and works wonders if your main color is soft or pastel.
As per the RGB color wheel, the split-complementary colors of #21201B are #1B1F21 (Dark Jungle Green) and #1D1B21 (Eerie Black). A split-complementary color palette consists of the main color along with those on either side (30°) of the complementary color. Based on our research, usage of split-complementary palettes is on the rise online, especially in graphics and web sites designs. It may be because it is not as contrasting as the complementary color palette and, hence, results in a combination which is pleasant to the eyes.
#21201B triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #1B2120 (Dark Jungle Green) and #201B21 (Eerie Black) along with #21201B, our main color, create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.
The tetradic palette of #21201B has #1B2120 (Dark Jungle Green), #1B1C21 (Eerie Black) and #211B1C (Eerie Black). A tetradic color palette is complex and, in most cases, should not be used off-the-shelf. We suggest tweaking the colors a little bit to achieve desired results.
The square color palette of #21201B contains #1B211D (Dark Jungle Green), #1B1C21 (Eerie Black) and #211B1F (Eerie Black). Quite like triadic, the hues in a square palette are at the maximum distance from each other, which is 90°. Note: For several colors purposes, a square palette may look much better than the tetrad color palette.
Hex #21201B Rainbow Colors Palette
Our #21201B rainbow color palette is based on the RGB color model and consists of 7 colors, just like the traditional rainbow. You might not see a lot of variation in color, especially if the chosen color is dark or extremely light. However, this can lead interesting rainbow palettes that are faded, soft, pastel or dull.
Color names have been derived from known and trusted lists OR have been formulated by us. They are close approximations and may not translate to exact names. Also, color is perceived and named differently in cultures and communities around the world. As per studies, only a handful of colors are interpretted and named in the same way across the globe.