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Harbour Blue Color

HEX #3D7391 / RGB (61, 115, 145)

What is Harbour Blue Color?

Harbour Blue (Hex code: 3D7391) Thumbnail

Harbour Blue has the hex code #3D7391. The equivalent RGB values are (61, 115, 145), which means it is composed of 19% red, 36% green and 45% blue. The CMYK color codes, used in printers, are C:58 M:21 Y:0 K:43. In the HSV/HSB scale, Harbour Blue has a hue of 201°, 58% saturation and a brightness value of 57%.
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.

Harbour Blue color is not included in the web list and cannot be used by name in HTML and CSS code. However, Harbour Blue can be applied to web pages with its hex code, RGB and/or HSL values. Please note that the CMYK numbers listed on this page have been derived from the hexadecimal code using known formulae and are only approximates.

Download Harbour Blue Solid Color Background

Harbour Blue Color Codes

Hex Code#3D7391
RGB Values(61, 115, 145)
CMYK Values(58%, 21%, 0%, 43%)
HSV/HSB Values(201°, 58%, 57%)
Closest Web Safe#336699
Inverse Color#C28C6E [Camel]
Closest Pantone®7698 C
Closest RAL5007 [Brilliant blue]
Complementary Color#915B3D [Coconut]
Harbour Blue Converted to Grayscale Codes
Simple Average#6B6B6B
Weighted Average (Most Common)#666666
Weighted Average (Luma)#6A6A6A
Weighted Average (Gamma Adjusted)#A7A7A7

Harbour Blue Color Palettes

Complementary color palette of 3D7391. Complementary color is 915B3D

Complementary Palette

The complement of Harbour Blue is Coconut with the hex code #915B3D. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #3D7391 color is offered by #915B3D. 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.

3D7391 915B3D
Analogous color palette with (3D7391, 3D4991 and 3D9185)

Analogous Palette

The analogous colors of Harbour Blue (#3D7391) are Chinese Blue (#3D4991) and Illuminating Emerald (#3D9185). In the RGB color wheel, these two analogous colors occur to the right and left of Harbour 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.

3D7391 3D4991 3D9185
Split Complementary color palette with (3D7391, 913D49 and 91853D)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Harbour Blue (#3D7391) are #913D49 (Smoky Topaz) and #91853D (Old Moss 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.

3D7391 913D49 91853D
Triadic color palette with (3D7391, 913D73 and 73913D)

Triadic Palette

Harbour Blue triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #913D73 (Violet (Crayola)) and #73913D (Palm Leaf) along with #3D7391 create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

3D7391 913D73 73913D
Tetradic color palette with (3D7391, 913D73, 915B3D and 3D915B)

Tetradic Palette

The tetradic palette of Harbour Blue has four colors - #913D73 (Violet (Crayola)), #915B3D (Coconut) and #3D915B (Sea Green) in addition to the base color (#3D7391). 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.

3D7391 913D73 915B3D 3D915B
Square color palette with (3D7391, 853D91, 915B3D and 49913D)

Square Palette

Harbour Blue square color palette has #853D91 (Cadmium Violet), #915B3D (Coconut) and #49913D (May 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.

3D7391 853D91 915B3D 49913D
Rainbow color

Harbour Blue Color Rainbow Palette

Our Harbour 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.

3D7491 4E3D91 913D8C 913D44 917E3D 5C913D 3D9166

Tints, Tones & Shades of Harbour Blue Color


  • Transparent 648FA7648FA7
  • Transparent 779DB2779DB2
  • Transparent 8BABBD8BABBD
  • Transparent 9EB9C89EB9C8
  • Transparent B1C7D3B1C7D3
  • Transparent C5D5DEC5D5DE
  • Transparent D8E3E9D8E3E9
  • Transparent ECF1F4ECF1F4


  • Transparent 4A768E4A768E
  • Transparent 51778C51778C
  • Transparent 58788A58788A
  • Transparent 5F7A895F7A89
  • Transparent 657B87657B87
  • Transparent 6C7C856C7C85
  • Transparent 737D83737D83
  • Transparent 797F82797F82


  • Transparent 315C74315C74
  • Transparent 2B51662B5166
  • Transparent 254557254557
  • Transparent 1F3A491F3A49
  • Transparent 182E3A182E3A
  • Transparent 12232C12232C
  • Transparent 0C171D0C171D
  • Transparent 060C0F060C0F

Harbour Blue Color Patterns

  • Transparent

    Harbour Blue Gingham Checks

  • Transparent

    Harbour Blue Vertical Stripes Pattern

  • Transparent

    Harbour Blue Polka Dots Pattern

  • Transparent

    Harbour Blue Honeycomb Pattern

  • Transparent

    Harbour Blue Leaves Pattern

  • Transparent

    Harbour Blue Houndstooth Pattern

  • Transparent

    Harbour Blue Trellis Pattern

  • Transparent

    Harbour Blue Plaid Pattern

Harbour Blue Color Interior Ideas

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

Harbour Blue Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on Harbour Blue color Living room wal color

Harbour Blue Color Living Room Wall Paint Idea

Pretty Photo frame on Harbour Blue color Bedroom interior wall color

Harbour Blue Color Bedroom Wall Paint Idea

Pretty Photo frame on Harbour Blue color kitchen interior wall color

Harbour Blue Color Kitchen Wall Paint Idea