Rich Black Color

#004040

Rich Black is pale, cool-toned shade of warm cyan. It is better contrasting with white. This color combines beautifully with mid red, cool yellow or mid magenta

Inverse Color #ffbfbf
Complementary Color #400000
Color Shade: warm cyan (180° hue)
Color Temperature: cool
Lightness: 12.55% (better contrasting with white)
Rich Black Color Sample
Rich Black Color Sample

Better Alternatives To #004040

If you're looking for a similar warm cyan shade, there are some better alternatives to Rich Black Color. The Sandalwood Grey Blue color for instance is a lighter and a bit more faded option, however this color has a green cyan bias. Consider a lighter and more soft alternative called Enamelled Jewel (#045c61) for more calm effect. Try Stellar Explorer as it also a bit more faded and calm.

Complementary Palette

#400000 is the best complementary color to Rich Black. Mid red shades generally complement the warm cyan hues best as they are found on the opposite end of the color wheel. The most popular #004040 complementary color is Temptress, as it offers maximum contrast and grab the viewer's attention.

Analogous Palette

The analogous palette of cool green, warm cyan, and blue cyan colors offers a soft combination of similar cool shades. The analogous colors of Cyprus are #004020 and #001f40. Thus found on the left and right of #004040 on the color wheel with a 30° gap. Consider matching Kaitoke Green and Midnight colors as they work well with Rich Black.

Split-complementary Palette

The split-complementary Rich Black palette consists of #402000 and #400020 colors. They can be found 30° apart on either side of the complementary color (#400000). Try Cola and Toledo colors in combination with #004040, 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 #004040 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 Rich Black. Thus Verdun Green and Blackberry giving maximum hue separation to use all three together.

Square Palette

The square color palette of Rich Black contains three additional colors. Thus, complementary Temptress, Tolopea, and Verdun Green split by 90° on the color wheel. #004040 square combo is a palette of warm cyan, warm blue, mid red and cool yellow 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. Rich Black tetradic combo consists of mid red complementary color (#400000) and two others. The Blackberry is positioned 120° clockwise from the primary color and Deep Fir – 120° from the complementary Temptress. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #40003f and #004000.

Conversion Table

In a RGB color space, hex #004040 is made of 0% red, 50% green and 50% blue. In a HSL mode Rich Black has a hue angle of 180°, a saturation of 100% and a lightness of 12.55%. In a CMYK space (used in printing only), hex #004040 is made of 25.1% cyan, 0% magenta, 0% yellow and 74.9% black ink.

HEX #004040
RGB Decimal rgb(0,64,64)
RGB Percentage 0%, 50%, 50%
CMYK 25.1, 0, 0, 74.9
HSL hsl(180,100%,12.55%)
HSV (or HSB) hsv(180,100%,25.1%)
CIE-LAB lab(23.7932,-17.8613,-5.2522)
XYZ xyz(2.7588,4.037,5.4843)
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