Duke Blue is deep, cool-toned shade of cool blue. It is better contrasting with white. This color combines beautifully with mid yellow, cool green or mid red
| Inverse Color | #ffff63 |
| Complementary Color | #9b9c00 |
| Color Shade: | cool blue (240° hue) |
| Color Temperature: | cool |
| Lightness: | 30.59% (better contrasting with white) |
If you're looking for a similar cool blue shade, there are some better alternatives to Duke Blue Color. The Lady of the Sea color for instance is a lighter and a bit more faded option, however this color has a blue cyan bias. Consider a darker and more soft alternative called Dark Royalty (#02066f) for more calm effect. Try Medium Blue as it also a bit more faded and calm.
#9b9c00 is the best complementary color to Duke Blue. Mid yellow shades generally complement the cool blue hues best as they are found on the opposite end of the color wheel. The most popular #00009c complementary color is Olive, as it offers maximum contrast and grab the viewer's attention.
The analogous palette of blue cyan, cool blue, and warm blue colors offers a soft combination of similar cool shades. The analogous colors of Navy Blue are #004d9c and #4d009c. Thus found on the left and right of #00009c on the color wheel with a 30° gap. Consider matching Endeavour and Purple colors as they work well with Duke Blue.
The split-complementary Duke Blue palette consists of #4e9c00 and #9c4e00 colors. They can be found 30° apart on either side of the complementary color (#9b9c00). Try Limeade and Brown colors in combination with #00009c, 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 #00009c offers a combination of warm green and mid red shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Duke Blue. Thus Japanese Laurel and Sangria giving maximum hue separation to use all three together.
The square color palette of Duke Blue contains three additional colors. Thus, complementary Olive, Fresh Eggplant, and Green Haze split by 90° on the color wheel. #00009c square combo is a palette of cool blue, warm magenta, mid yellow and cool green shades that work together well.
The tetradic palette is a bit more complex than the square and has more of a rectangle shape. Duke Blue tetradic combo consists of mid yellow complementary color (#9b9c00) and two others. The Sangria is positioned 120° clockwise from the primary color and Persian Green – 120° from the complementary Olive. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #9c0000 and #009b9c.
In a RGB color space, hex #00009c is made of 0% red, 0% green and 100% blue. In a HSL mode Duke Blue has a hue angle of 240°, a saturation of 100% and a lightness of 30.59%. In a CMYK space (used in printing only), hex #00009c is made of 61.18% cyan, 61.18% magenta, 0% yellow and 38.82% black ink.
| HEX | #00009c |
| RGB Decimal | rgb(0,0,156) |
| RGB Percentage | 0%, 0%, 100% |
| CMYK | 61.18, 61.18, 0, 38.82 |
| HSL | hsl(240,100%,30.59%) |
| HSV (or HSB) | hsv(240,100%,61.18%) |
| CIE-LAB | lab(17.4616,54.8634,-74.7225) |
| XYZ | xyz(6.0008,2.4003,31.5995) |