Gunmetal Gray

HEX #313537 / RGB (49, 53, 55)

Metal Gray Alloy Wheel

What is Gunmetal Gray Color?

Gunmetal Gray (Hex code: 313537) Thumbnail

Gunmetal Gray has the hex code #313537. The equivalent RGB values are (49, 53, 55), 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:78. In the HSV/HSB scale, Gunmetal Gray has a hue of 200°, 11% saturation and a brightness value of 22%.
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.

Gunmetal gray hex color code is #313537 and RGB (49, 53, 55). The color can be applied on web pages with the help of HTML and/or CSS via its hex, RGB, HSB or CMYK color codes.

Gunmetal Gray Color Codes

Hex Code#313537
RGB Values(49, 53, 55)
CMYK Values(11%, 4%, 0%, 78%)
HSV/HSB Values(200°, 11%, 22%)
Closest Web Safe#333333
Inverse Color#CECAC8 [Chinese Silver]
Closest Pantone®447 C
Closest RAL7021 [Black grey]
Complementary Color#373331 [Jet]
Gunmetal Gray Converted to Grayscale Codes
Simple Average#343434
Weighted Average (Most Common)#343434
Weighted Average (Luma)#343434
Weighted Average (Gamma Adjusted)#797979

Gunmetal Gray Color Palettes

Gunmetal Gray is almost gray. We don't think there is any need to display the color palettes.
Complementary color palette of 313537. Complementary color is 373331

Complementary Palette

The complement of Gunmetal Gray is Jet with the hex code #373331. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #313537 color is offered by #373331. 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.

Analogous color palette with (313537, 313237 and 313736)

Analogous Palette

The analogous colors of Gunmetal Gray (#313537) are Dark Charcoal (#313237) and Jet (#313736). In the RGB color wheel, these two analogous colors occur to the right and left of Gunmetal 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.

Split Complementary color palette with (313537, 373132 and 373631)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Gunmetal Gray (#313537) are #373132 (Dark Charcoal) and #373631 (Jet). 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.

Triadic color palette with (313537, 373135 and 353731)

Triadic Palette

Gunmetal Gray triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #373135 (Jet) and #353731 (Jet) along with #313537 create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

Tetradic color palette with (313537, 373135, 373331 and 313733)

Tetradic Palette

The tetradic palette of Gunmetal Gray has four colors - #373135 (Jet), #373331 (Jet) and #313733 (Jet) in addition to the base color (#313537). 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.

Square color palette with (313537, 363137, 373331 and 323731)

Square Palette

Gunmetal Gray square color palette has #363137 (Jet), #373331 (Jet) and #323731 (Dark Charcoal). 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.

Rainbow color

Gunmetal Gray Color Rainbow Palette

Our Gunmetal 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.

Tints, Tones & Shades of Gunmetal Gray Color


  • Transparent 5A5D5F#5A5D5F
  • Transparent 6F7273#6F7273
  • Transparent 838687#838687
  • Transparent 989A9B#989A9B
  • Transparent ADAEAF#ADAEAF
  • Transparent C1C2C3#C1C2C3
  • Transparent D6D7D7#D6D7D7
  • Transparent EAEBEB#EAEBEB


  • Transparent 414446#414446
  • Transparent 494C4D#494C4D
  • Transparent 515354#515354
  • Transparent 595B5C#595B5C
  • Transparent 606263#606263
  • Transparent 686A6A#686A6A
  • Transparent 707171#707171
  • Transparent 787979#787979


  • Transparent 272A2C#272A2C
  • Transparent 222527#222527
  • Transparent 1D2021#1D2021
  • Transparent 191B1C#191B1C
  • Transparent 141516#141516
  • Transparent 0F1011#0F1011
  • Transparent 0A0B0B#0A0B0B
  • Transparent 050506#050506

Gunmetal Gray Color Patterns

  • Transparent

    Gunmetal Gray Gingham Checks

  • Transparent

    Gunmetal Gray Vertical Stripes Pattern

  • Transparent

    Gunmetal Gray Polka Dots Pattern

  • Transparent

    Gunmetal Gray Honeycomb Pattern

  • Transparent

    Gunmetal Gray Leaves Pattern

  • Transparent

    Gunmetal Gray Houndstooth Pattern

  • Transparent

    Gunmetal Gray Trellis Pattern

  • Transparent

    Gunmetal Gray Plaid Pattern

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