Atomic Color

#3d4b52

Atomic is pale, cool-toned shade of cool cyan. It is better contrasting with white. This color combines beautifully with warm red, warm green or warm magenta

Inverse Color #c2b4ad
Complementary Color #52443c
Color Shade: cool cyan (200° hue)
Color Temperature: cool
Lightness: 28.04% (better contrasting with white)
Atomic Color Sample
Atomic Color Sample

Better Alternatives To #3d4b52

If you're looking for a similar cool cyan shade, there are some better alternatives to Atomic Color. The Cod Grey color for instance is a darker and a bit more faded option, however this color has a mid cyan bias. Consider a lighter and more saturated alternative called Rush Hour (#536770) for more energetic effect. Try Plum Blue as it also a bit more vibrant and energetic.

Complementary Palette

#52443c is the best complementary color to Atomic. Warm red shades generally complement the cool cyan hues best as they are found on the opposite end of the color wheel. The most popular #3d4b52 complementary color is Kabul, as it offers maximum contrast and grab the viewer's attention.

Analogous Palette

The analogous palette of warm cyan, cool cyan, and cool blue colors offers a soft combination of similar cool shades. The analogous colors of Limed Spruce are #3c524e and #3c4052. Thus found on the left and right of #3d4b52 on the color wheel with a 30° gap. Consider matching Mineral Green and Bright Gray colors as they work well with Atomic.

Split-complementary Palette

The split-complementary Atomic palette consists of #524e3c and #523c40 colors. They can be found 30° apart on either side of the complementary color (#52443c). Try Kelp and Matterhorn colors in combination with #3d4b52, as they are not as contrasting as a complementary color, hence, giving more hue variety to make your design stand out.

Triadic Palette

The triadic palette of #3d4b52 offers a combination of cool yellow and warm magenta shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Atomic. Thus Kelp and Matterhorn giving maximum hue separation to use all three together.

Square Palette

The square color palette of Atomic contains three additional colors. Thus, complementary Kabul, Mortar, and Cabbage Pont split by 90° on the color wheel. #3d4b52 square combo is a palette of cool cyan, cool magenta, warm red and warm green shades that work together well.

Tetradic Palette

The tetradic palette is a bit more complex than the square and has more of a rectangle shape. Atomic tetradic combo consists of warm red complementary color (#52443c) and two others. The Matterhorn is positioned 120° clockwise from the primary color and Mineral Green – 120° from the complementary Kabul. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #523c4a and #3c5244.

Conversion Table

In a RGB color space, hex #3d4b52 is made of 28% red, 34% green and 38% blue. In a HSL mode Atomic has a hue angle of 200°, a saturation of 14.69% and a lightness of 28.04%. In a CMYK space (used in printing only), hex #3d4b52 is made of 8.24% cyan, 2.75% magenta, 0% yellow and 67.84% black ink.

HEX #3d4b52
RGB Decimal rgb(61,75,82)
RGB Percentage 28%, 34%, 38%
CMYK 8.24, 2.75, 0, 67.84
HSL hsl(200,14.69%,28.04%)
HSV (or HSB) hsv(200,25.61%,32.16%)
CIE-LAB lab(30.9574,-3.7208,-5.9943)
XYZ xyz(5.9635,6.6335,8.9487)
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