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French Ultramarine Color

HEX #2522CA / RGB (37, 34, 202)

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What is French Ultramarine Color?

French Ultramarine (Hex code: 2522CA) Thumbnail

French Ultramarine has the hex code #2522CA. The equivalent RGB values are (37, 34, 202), which means it is composed of 14% red, 12% green and 74% blue. The CMYK color codes, used in printers, are C:82 M:83 Y:0 K:21. In the HSV/HSB scale, French Ultramarine has a hue of 241°, 83% saturation and a brightness value of 79%.
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.

French Ultramarine is the synthetic version of the blue ultramarine color that was traditional produced by grinding the lapis lazuli mineral. The color was made in France by two different scientists Jean Baptiste Guimet in 1826 and Christian Gmelin in 1828. The latter published his research and laid the foundation for the synthetic or artificial ultramarine industry.
Other names: Gmelin's blue, Guimet's blue, New blue, Oriental blue and Permanent blue.

For HTML and CSS code (or other web applications), use the hex, RGB, CMYK or HSB color values.

Download French Ultramarine Solid Color Background

French Ultramarine Color Codes

Hex Code#2522CA
RGB Values(37, 34, 202)
CMYK Values(82%, 83%, 0%, 21%)
HSV/HSB Values(241°, 83%, 79%)
Closest Web Safe#3333CC
Inverse Color#DADD35 [Pear]
Closest Pantone®2736 C
Closest RAL5002 [Ultramarine blue]
Complementary Color#C7CA22 [Acid Green]
French Ultramarine Converted to Grayscale Codes
Simple Average#5B5B5B
Weighted Average (Most Common)#353535
Weighted Average (Luma)#2F2F2F
Weighted Average (Gamma Adjusted)#737373

French Ultramarine Color Palettes

Complementary color palette of 2522CA. Complementary color is C7CA22

Complementary Palette

The complement of French Ultramarine is Acid Green with the hex code #C7CA22. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #2522CA color is offered by #C7CA22. 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.

2522CA C7CA22
Analogous color palette with (2522CA, 7922CA and 2273CA)

Analogous Palette

The analogous colors of French Ultramarine (#2522CA) are Blue-Violet (#7922CA) and Celtic Blue (#2273CA). In the RGB color wheel, these two analogous colors occur to the right and left of French 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.

2522CA 7922CA 2273CA
Split Complementary color palette with (2522CA, CA7922 and 73CA22)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of French Ultramarine (#2522CA) are #CA7922 (Ochre) and #73CA22 (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.

2522CA CA7922 73CA22
Triadic color palette with (2522CA, CA2522 and 22CA25)

Triadic Palette

French Ultramarine triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #CA2522 (Fire Engine Red) and #22CA25 (Lime Green) along with #2522CA create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

2522CA CA2522 22CA25
Tetradic color palette with (2522CA, CA2522, C7CA22 and 22C7CA)

Tetradic Palette

The tetradic palette of French Ultramarine has four colors - #CA2522 (Fire Engine Red), #C7CA22 (Acid Green) and #22C7CA (Maximum Blue Green) in addition to the base color (#2522CA). 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.

2522CA CA2522 C7CA22 22C7CA
Square color palette with (2522CA, CA2273, C7CA22 and 22CA79)

Square Palette

French Ultramarine square color palette has #CA2273 (Magenta (Dye)), #C7CA22 (Acid Green) and #22CA79 (UFO 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.

2522CA CA2273 C7CA22 22CA79
Rainbow color

French Ultramarine Color Rainbow Palette

Our French 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.

2522CA B522CA CA224F CA8522 7FCA22 22CA55 22AFCA

Tints, Tones & Shades of French Ultramarine Color


  • Transparent 514ED5514ED5
  • Transparent 6664DA6664DA
  • Transparent 7C7ADF7C7ADF
  • Transparent 9291E59291E5
  • Transparent A8A7EAA8A7EA
  • Transparent BEBDEFBEBDEF
  • Transparent D3D3F4D3D3F4
  • Transparent E9E9FAE9E9FA


  • Transparent 3735BB3735BB
  • Transparent 403EB4403EB4
  • Transparent 4948AC4948AC
  • Transparent 5351A55351A5
  • Transparent 5C5A9E5C5A9E
  • Transparent 656496656496
  • Transparent 6E6D8F6E6D8F
  • Transparent 777787777787


  • Transparent 1E1BA21E1BA2
  • Transparent 1A188D1A188D
  • Transparent 161479161479
  • Transparent 131165131165
  • Transparent 0F0E510F0E51
  • Transparent 0B0A3D0B0A3D
  • Transparent 070728070728
  • Transparent 040314040314

French Ultramarine Color Patterns

  • Transparent

    French Ultramarine Gingham Checks

  • Transparent

    French Ultramarine Vertical Stripes Pattern

  • Transparent

    French Ultramarine Polka Dots Pattern

  • Transparent

    French Ultramarine Honeycomb Pattern

  • Transparent

    French Ultramarine Leaves Pattern

  • Transparent

    French Ultramarine Houndstooth Pattern

  • Transparent

    French Ultramarine Trellis Pattern

  • Transparent

    French Ultramarine Plaid Pattern

French Ultramarine Color Interior Ideas

Pretty Photo frame on French Ultramarine color drawing room interior textured wall

French Ultramarine Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on French Ultramarine color Living room wal color

French Ultramarine Color Living Room Wall Paint Idea

Pretty Photo frame on French Ultramarine color Bedroom interior wall color

French Ultramarine Color Bedroom Wall Paint Idea

Pretty Photo frame on French Ultramarine color kitchen interior wall color

French Ultramarine Color Kitchen Wall Paint Idea

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