Cruel Sea is pale, cool-toned shade of mid cyan. It is better contrasting with white. This color combines beautifully with mid red, yellow green or mid magenta
| Inverse Color | #dec9c7 |
| Complementary Color | #372221 |
| Color Shade: | mid cyan (185.22° hue) |
| Color Temperature: | cool |
| Lightness: | 17.45% (better contrasting with white) |
If you're looking for a similar mid cyan shade, there are some better alternatives to Cruel Sea Color. The Dark Slate Grey color for instance is a lighter and a bit more faded option, however this color has a warm cyan bias. Consider a lighter and more soft alternative called Dark Reaper (#3b5150) for more calm effect. Try Blue Dianne as it also a bit more faded and calm.
#372221 is the best complementary color to Cruel Sea. Mid red shades generally complement the mid cyan hues best as they are found on the opposite end of the color wheel. The most popular #213638 complementary color is Cocoa Brown, as it offers maximum contrast and grab the viewer's attention.
The analogous palette of green cyan, mid cyan, and blue cyan colors offers a soft combination of similar cool shades. The analogous colors of Outer Space are #21372e and #212a37. Thus found on the left and right of #213638 on the color wheel with a 30° gap. Consider matching Everglade and Ebony Clay colors as they work well with Cruel Sea.
The split-complementary Cruel Sea palette consists of #372e21 and #37212a colors. They can be found 30° apart on either side of the complementary color (#372221). Try Birch and Cocoa Brown colors in combination with #213638, as they are not as contrasting as a complementary color, hence, giving more hue variety to make your design stand out.
The triadic palette of #213638 offers a combination of mid yellow and mid magenta shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Cruel Sea. Thus Rangitoto and Thunder giving maximum hue separation to use all three together.
The square color palette of Cruel Sea contains three additional colors. Thus, complementary Cocoa Brown, Bleached Cedar, and Green Kelp split by 90° on the color wheel. #213638 square combo is a palette of mid cyan, violet, mid red and yellow green shades that work together well.
The tetradic palette is a bit more complex than the square and has more of a rectangle shape. Cruel Sea tetradic combo consists of mid red complementary color (#372221) and two others. The Thunder is positioned 120° clockwise from the primary color and Green Kelp – 120° from the complementary Cocoa Brown. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #372135 and #213723.
In a RGB color space, hex #213638 is made of 23% red, 38% green and 39% blue. In a HSL mode Cruel Sea has a hue angle of 185.22°, a saturation of 25.84% and a lightness of 17.45%. In a CMYK space (used in printing only), hex #213638 is made of 9.02% cyan, 0.78% magenta, 0% yellow and 78.04% black ink.
| HEX | #213638 |
| RGB Decimal | rgb(33,54,56) |
| RGB Percentage | 23%, 38%, 39% |
| CMYK | 9.02, 0.78, 0, 78.04 |
| HSL | hsl(185.22,25.84%,17.45%) |
| HSV (or HSB) | hsv(185.22,41.07%,21.96%) |
| CIE-LAB | lab(21.0079,-7.7089,-3.919) |
| XYZ | xyz(2.6602,3.2472,4.2279) |