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Opal Blue Color

HEX #004C73 / RGB (0, 76, 115)

Blue opal stone ring

What is Opal Blue Color?

Opal Blue (Hex code: 004C73) Thumbnail

Opal Blue has the hex code #004C73. The equivalent RGB values are (0, 76, 115), which means it is composed of 0% red, 40% green and 60% blue. The CMYK color codes, used in printers, are C:100 M:34 Y:0 K:55. In the HSV/HSB scale, Opal Blue has a hue of 200°, 100% saturation and a brightness value of 45%.
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.

Opal Blue is an RAL Design color with the number 260 30 30. 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.

Opal Blue hex code is #004C73 with equivalent RGB (0, 76, 115). 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.

Download Opal Blue Solid Color Background

Opal Blue Color Codes

Hex Code#004C73
RGB Values(0, 76, 115)
CMYK Values(100%, 34%, 0%, 55%)
HSV/HSB Values(200°, 100%, 45%)
Closest Web Safe#003366
Inverse Color#FFB38C [Macaroni And Cheese]
Closest Pantone®3025 C
Closest RAL5010 [Gentian blue]
Complementary Color#732700 [Kenyan Copper]
Opal Blue Converted to Grayscale Codes
Simple Average#404040
Weighted Average (Most Common)#393939
Weighted Average (Luma)#3F3F3F
Weighted Average (Gamma Adjusted)#838383

Opal Blue Color Palettes

Complementary color palette of 004C73. Complementary color is 732700

Complementary Palette

The complement of Opal Blue is Kenyan Copper with the hex code #732700. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #004C73 color is offered by #732700. 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.

004C73 732700
Analogous color palette with (004C73, 001373 and 007361)

Analogous Palette

The analogous colors of Opal Blue (#004C73) are Dark Imperial Blue (#001373) and Tropical Rain Forest (#007361). In the RGB color wheel, these two analogous colors occur to the right and left of Opal 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.

004C73 001373 007361
Split Complementary color palette with (004C73, 730013 and 736100)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Opal Blue (#004C73) are #730013 (Rosewood) and #736100 (Bronze Yellow). 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.

004C73 730013 736100
Triadic color palette with (004C73, 73004C and 4C7300)

Triadic Palette

Opal Blue triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #73004C (Imperial Purple) and #4C7300 (Avocado) along with #004C73 create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

004C73 73004C 4C7300
Tetradic color palette with (004C73, 73004C, 732700 and 007327)

Tetradic Palette

The tetradic palette of Opal Blue has four colors - #73004C (Imperial Purple), #732700 (Kenyan Copper) and #007327 (La Salle Green) in addition to the base color (#004C73). 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.

004C73 73004C 732700 007327
Square color palette with (004C73, 600073, 732700 and 137300)

Square Palette

Opal Blue square color palette has #600073 (Indigo), #732700 (Kenyan Copper) and #137300 (Royal 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.

004C73 600073 732700 137300
Rainbow color

Opal Blue Color Rainbow Palette

Our Opal 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.

004D73 160073 73006E 73000B 735800 2C7300 007337

Tints, Tones & Shades of Opal Blue Color


  • Transparent 33708F33708F
  • Transparent 4D829D4D829D
  • Transparent 6694AB6694AB
  • Transparent 80A6B980A6B9
  • Transparent 99B7C799B7C7
  • Transparent B3C9D5B3C9D5
  • Transparent CCDBE3CCDBE3
  • Transparent E6EDF1E6EDF1


  • Transparent 1A56761A5676
  • Transparent 265C77265C77
  • Transparent 336178336178
  • Transparent 40667A40667A
  • Transparent 4D6B7B4D6B7B
  • Transparent 5A707C5A707C
  • Transparent 66767D66767D
  • Transparent 737B7F737B7F


  • Transparent 003D5C003D5C
  • Transparent 003551003551
  • Transparent 002E45002E45
  • Transparent 00263A00263A
  • Transparent 001E2E001E2E
  • Transparent 001723001723
  • Transparent 000F17000F17
  • Transparent 00080C00080C

Opal Blue Color Patterns

  • Transparent

    Opal Blue Gingham Checks

  • Transparent

    Opal Blue Vertical Stripes Pattern

  • Transparent

    Opal Blue Polka Dots Pattern

  • Transparent

    Opal Blue Honeycomb Pattern

  • Transparent

    Opal Blue Leaves Pattern

  • Transparent

    Opal Blue Houndstooth Pattern

  • Transparent

    Opal Blue Trellis Pattern

  • Transparent

    Opal Blue Plaid Pattern

Opal Blue Color Interior Ideas

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

Opal Blue Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on Opal Blue color Living room wal color

Opal Blue Color Living Room Wall Paint Idea

Pretty Photo frame on Opal Blue color Bedroom interior wall color

Opal Blue Color Bedroom Wall Paint Idea

Pretty Photo frame on Opal Blue color kitchen interior wall color

Opal Blue Color Kitchen Wall Paint Idea

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