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Carbon Blue Color

HEX #646B70 / RGB (100, 107, 112)

Dark gray color blazer for men

What is Carbon Blue Color?

Carbon Blue (Hex code: 646B70) Thumbnail

Carbon Blue has the hex code #646B70. The equivalent RGB values are (100, 107, 112), which means it is composed of 31% red, 34% green and 35% blue. The CMYK color codes, used in printers, are C:11 M:4 Y:0 K:56. In the HSV/HSB scale, Carbon Blue has a hue of 205°, 11% saturation and a brightness value of 44%.
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.

Carbon Blue is not part of the web colors list and, therefore, cannot be used by name in HTML and CSS code. The best way to apply the color to a web page is to put in the hex, RGB and/or HSL values. Please also note that the CMYK numbers mentioned on this page have been calculated from the hex code using well-known formulae and are only approximations.

Download Carbon Blue Solid Color Background

Carbon Blue Color Codes

Hex Code#646B70
RGB Values(100, 107, 112)
CMYK Values(11%, 4%, 0%, 56%)
HSV/HSB Values(205°, 11%, 44%)
Closest Web Safe#666666
Inverse Color#9B948F [Spanish Gray]
Closest Pantone®Cool Gray 10 C
Closest RAL7031 [Blue grey]
Complementary Color#706964 [Dim Gray]
Carbon Blue Converted to Grayscale Codes
Simple Average#6A6A6A
Weighted Average (Most Common)#696969
Weighted Average (Luma)#6A6A6A
Weighted Average (Gamma Adjusted)#A7A7A7

Carbon Blue Color Palettes

Complementary color palette of 646B70. Complementary color is 706964

Complementary Palette

The complement of Carbon Blue is Dim Gray with the hex code #706964. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #646B70 color is offered by #706964. 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.

646B70 706964
Analogous color palette with (646B70, 646570 and 64706F)

Analogous Palette

The analogous colors of Carbon Blue (#646B70) are Dim Gray (#646570) and Dim Gray (#64706F). In the RGB color wheel, these two analogous colors occur to the right and left of Carbon 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.

646B70 646570 64706F
Split Complementary color palette with (646B70, 706465 and 706F64)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Carbon Blue (#646B70) are #706465 (Dim Gray) and #706F64 (Dark Silver). 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.

646B70 706465 706F64
Triadic color palette with (646B70, 70646B and 6B7064)

Triadic Palette

Carbon Blue triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #70646B (Dim Gray) and #6B7064 (Dim Gray) along with #646B70 create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

646B70 70646B 6B7064
Tetradic color palette with (646B70, 70646B, 706964 and 647069)

Tetradic Palette

The tetradic palette of Carbon Blue has four colors - #70646B (Dim Gray), #706964 (Dim Gray) and #647069 (Dim Gray) in addition to the base color (#646B70). 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.

646B70 70646B 706964 647069
Square color palette with (646B70, 6F6470, 706964 and 657064)

Square Palette

Carbon Blue square color palette has #6F6470 (Dim Gray), #706964 (Dim Gray) and #657064 (Dim Gray). 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.

646B70 6F6470 706964 657064
Rainbow color

Carbon Blue Color Rainbow Palette

Our Carbon 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.

646B70 676470 70646E 706464 706E64 687064 64706B

Tints, Tones & Shades of Carbon Blue Color


  • Transparent 83898D83898D
  • Transparent 93979B93979B
  • Transparent A2A6A9A2A6A9
  • Transparent B2B5B8B2B5B8
  • Transparent C1C4C6C1C4C6
  • Transparent D1D3D4D1D3D4
  • Transparent E0E1E2E0E1E2
  • Transparent F0F0F1F0F0F1


  • Transparent 6A6F736A6F73
  • Transparent 6C71756C7175
  • Transparent 6F73766F7376
  • Transparent 727678727678
  • Transparent 75787A75787A
  • Transparent 787A7B787A7B
  • Transparent 7A7C7D7A7C7D
  • Transparent 7D7E7E7D7E7E


  • Transparent 50565A50565A
  • Transparent 464B4E464B4E
  • Transparent 3C40433C4043
  • Transparent 323638323638
  • Transparent 282B2D282B2D
  • Transparent 1E20221E2022
  • Transparent 141516141516
  • Transparent 0A0B0B0A0B0B

Carbon Blue Color Patterns

  • Transparent

    Carbon Blue Gingham Checks

  • Transparent

    Carbon Blue Vertical Stripes Pattern

  • Transparent

    Carbon Blue Polka Dots Pattern

  • Transparent

    Carbon Blue Honeycomb Pattern

  • Transparent

    Carbon Blue Leaves Pattern

  • Transparent

    Carbon Blue Houndstooth Pattern

  • Transparent

    Carbon Blue Trellis Pattern

  • Transparent

    Carbon Blue Plaid Pattern

Carbon Blue Color Interior Ideas

Pretty Photo frame on Carbon Blue color drawing room interior textured wall

Carbon Blue Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on Carbon Blue color Living room wal color

Carbon Blue Color Living Room Wall Paint Idea

Pretty Photo frame on Carbon Blue color Bedroom interior wall color

Carbon Blue Color Bedroom Wall Paint Idea

Pretty Photo frame on Carbon Blue color kitchen interior wall color

Carbon Blue Color Kitchen Wall Paint Idea

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