Ultramarine has the hex code #2142AB. The equivalent RGB values are (33, 66, 171), which means it is composed of
12% red, 24% green and 63% blue. The CMYK color codes, used in printers, are C:81 M:61 Y:0 K:33. In the HSV/HSB scale, Ultramarine has a hue of 226°, 81% saturation and a brightness value of 67%. 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.
Ultramarine Blue or simply Ultramarine is a traditional color, typically used by the painters of the Renaissance period to color the robes of the Virgin Mary (also check out a similar color Marian Blue).
The color name comes from Latin ultramarinus literally meaning "beyond the sea". This is because the color was made by grounding the mineral lapis Lazuli imported from Afghanistan, a country that lay beyond many seas.
A synthetic ultramarine pigment was created in 1826, the powder of which appears much brighter than the traditional powder obtained by grinding lapis lazuli.
The complement of Ultramarine is University Of California Gold with the hex code #AB8A21. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #2142AB color is offered by #AB8A21. 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 Ultramarine (#2142AB) are Blue (Pigment) (#4521AB) and Cyan Cornflower Blue (#2187AB). In the RGB color wheel, these two analogous colors occur to the right and left of Ultramarine with a 30° separation on either side. 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 Ultramarine (#2142AB) are #AB4521 (Chinese Brown) and #87AB21 (Dark Lemon Lime). 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.
Ultramarine triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #AB2142 (French Wine) and #42AB21 (Yellow-Green (Color Wheel)) along with #2142AB 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 Ultramarine has four colors - #AB2142 (French Wine), #AB8A21 (University Of California Gold) and #21AB8A (Jungle Green) in addition to the base color (#2142AB). A tetradic color palette is complex and, in most cases, should not be used off-the-shelf. We suggest tweaking the colors slightly to achieve desired results.
Ultramarine square color palette has #AB2187 (Fandango), #AB8A21 (University Of California Gold) and #21AB45 (American Green). 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.
Ultramarine Color Rainbow Palette
Our Ultramarine rainbow color palette is based on the RGB 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.