Blue-Gray color hex code is #6699CC

What is Blue-Gray Color?

Blue-Gray has the hex code #6699CC. The equivalent RGB values are (102, 153, 204), which means it is composed of 22% red, 33% green and 44% blue. The CMYK color codes, used in printers, are C:50 M:25 Y:0 K:20. In the HSV/HSB scale, Blue-Gray has a hue of 210°, 50% saturation and a brightness value of 80%.
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.

Though the hex code is web safe, Blue-Gray is not a web color and can only be used in HTML and CSS code with its hex, RGB, CMYK or HSB values.

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Blue-Gray Color Codes

Hex Code	#6699CC
RGB Values	(102, 153, 204)
CMYK Values	(50%, 25%, 0%, 20%)
HSV/HSB Values	(210°, 50%, 80%)
Closest Web Safe	#6699CC
Inverse Color	#996633 [Coconut]
Closest Pantone®	549 C
Closest RAL	5024 [Pastel blue]
Complementary Color	#CC9966 [Brown Yellow]

Blue-Gray Converted to Grayscale Codes
Simple Average	#999999
Desaturated	#999999
Weighted Average (Most Common)	#8F8F8F
Weighted Average (Luma)	#929292
Weighted Average (Gamma Adjusted)	#C1C1C1

Blue-Gray Color Palettes

Complementary color palette of 6699CC. Complementary color is CC9966

Complementary Palette

The complement of Blue-Gray is Brown Yellow with the hex code #CC9966. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #6699CC color is offered by #CC9966. 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.

6699CC CC9966

Analogous color palette with (6699CC, 6666CC and 66CCCC)

Analogous Palette

The analogous colors of Blue-Gray (#6699CC) are Slate Blue (#6666CC) and Sea Serpent (#66CCCC). In the RGB color wheel, these two analogous colors occur to the right and left of Blue-Gray 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.

6699CC 6666CC 66CCCC

Split Complementary color palette with (6699CC, CC6666 and CCCC66)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Blue-Gray (#6699CC) are #CC6666 (Fuzzy Wuzzy) and #CCCC66 (Chinese Green). 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.

6699CC CC6666 CCCC66

Triadic color palette with (6699CC, CC6699 and 99CC66)

Triadic Palette

Blue-Gray triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #CC6699 (Wild Orchid) and #99CC66 (Pistachio) along with #6699CC create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

6699CC CC6699 99CC66

Tetradic color palette with (6699CC, CC6699, CC9966 and 66CC99)

Tetradic Palette

The tetradic palette of Blue-Gray has four colors - #CC6699 (Wild Orchid), #CC9966 (Brown Yellow) and #66CC99 (Medium Aquamarine) in addition to the base color (#6699CC). 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.

6699CC CC6699 CC9966 66CC99

Square color palette with (6699CC, CC66CC, CC9966 and 66CC66)

Square Palette

Blue-Gray square color palette has #CC66CC (Deep Mauve), #CC9966 (Brown Yellow) and #66CC66 (Mantis). 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.

6699CC CC66CC CC9966 66CC66

Blue-Gray Color Rainbow Palette

Our Blue-Gray 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.

6699CC 8A66CC CC66B6 CC6D66 CCC566 7CCC66 66CCA8