Chalk Blue color hex code is #90B0C4

What is Chalk Blue Color?

Chalk Blue has the hex code #90B0C4. The equivalent RGB values are (144, 176, 196), which means it is composed of 28% red, 34% green and 38% blue. The CMYK color codes, used in printers, are C:27 M:10 Y:0 K:23. In the HSV/HSB scale, Chalk Blue has a hue of 203°, 27% saturation and a brightness value of 77%.
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.

Chalk Blue is an RAL Design color with the number 250 70 15. Different from the Classic list, the RAL Design catalogue specifies colors for interiors. RAL is a well-known color matching system used in several European countries including Germany, France, Italy and the UK.

Chalk Blue hex code is #90B0C4 with equivalent RGB (144, 176, 196). You can use these along with HSL values in HTML and CSS code to display the color on web pages. Please also note that the CMYK values and the corresponding Pantone (PMS) number mentioned on this page have been calculated from the hex code and are only approximations.

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Chalk Blue Color Codes

Hex Code	#90B0C4
RGB Values	(144, 176, 196)
CMYK Values	(27%, 10%, 0%, 23%)
HSV/HSB Values	(203°, 27%, 77%)
Closest Web Safe	#9999CC
Inverse Color	#6F4F3B [Coffee]
Closest Pantone®	7681 C
Closest RAL	6027 [Light green]
Complementary Color	#C4A490 [Khaki (HTML/CSS)]

Chalk Blue Converted to Grayscale Codes
Simple Average	#ACACAC
Desaturated	#AAAAAA
Weighted Average (Most Common)	#A9A9A9
Weighted Average (Luma)	#ABABAB
Weighted Average (Gamma Adjusted)	#CFCFCF

Chalk Blue Color Palettes

Complementary color palette of 90B0C4. Complementary color is C4A490

Complementary Palette

The complement of Chalk Blue is Khaki (HTML/CSS) with the hex code #C4A490. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #90B0C4 color is offered by #C4A490. 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.

90B0C4 C4A490

Analogous color palette with (90B0C4, 9096C4 and 90C4BE)

Analogous Palette

The analogous colors of Chalk Blue (#90B0C4) are Ceil (#9096C4) and Pearl Aqua (#90C4BE). In the RGB color wheel, these two analogous colors occur to the right and left of Chalk Blue 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.

90B0C4 9096C4 90C4BE

Split Complementary color palette with (90B0C4, C49096 and C4BE90)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Chalk Blue (#90B0C4) are #C49096 (Tuscany) and #C4BE90 (Sage). 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.

90B0C4 C49096 C4BE90

Triadic color palette with (90B0C4, C490B0 and B0C490)

Triadic Palette

Chalk Blue triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #C490B0 (Opera Mauve) and #B0C490 (Laurel Green) along with #90B0C4 create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

90B0C4 C490B0 B0C490

Tetradic color palette with (90B0C4, C490B0, C4A490 and 90C4A4)

Tetradic Palette

The tetradic palette of Chalk Blue has four colors - #C490B0 (Opera Mauve), #C4A490 (Khaki (HTML/CSS)) and #90C4A4 (Eton Blue) in addition to the base color (#90B0C4). 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.

90B0C4 C490B0 C4A490 90C4A4

Square color palette with (90B0C4, BE90C4, C4A490 and 96C490)

Square Palette

Chalk Blue square color palette has #BE90C4 (Pastel Violet), #C4A490 (Khaki (HTML/CSS)) and #96C490 (Dark Sea 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.

90B0C4 BE90C4 C4A490 96C490

Chalk Blue Color Rainbow Palette

Our Chalk Blue 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.

90B0C4 9D90C4 C490BF C49092 C4BA90 A1C490 90C4AB