Search Colors

Neptune Blue Color

HEX #2E5D9D / RGB (46, 93, 157)

Neptune planet

What is Neptune Blue Color?

Neptune Blue (Hex code: 2E5D9D) Thumbnail

Neptune Blue has the hex code #2E5D9D. The equivalent RGB values are (46, 93, 157), which means it is composed of 16% red, 31% green and 53% blue. The CMYK color codes, used in printers, are C:71 M:41 Y:0 K:38. In the HSV/HSB scale, Neptune Blue has a hue of 215°, 71% saturation and a brightness value of 62%.
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.

Included in the RAL Design list with the number 280 40 40, Neptune Blue hex code is #2E5D9D with equivalent RGB (46, 93, 157). It is not a web color and cannot be applied to web pages by name. However, it can be used in HTML and CSS code by the hex, RGB or HSL values.
FYI, Neptune Blue's CMYK numbers and corresponding Pantone (PMS) color value mentioned on this page have been calculated from the hexadecimal code and are only approximations.

RAL is a popular color matching system used in several European countries including Germany, France, Italy and the UK. Please note that RAL Design catalogue is for interior colors and is different from the original RAL Classic list.

Download Neptune Blue Solid Color Background

Neptune Blue Color Codes

Hex Code#2E5D9D
RGB Values(46, 93, 157)
CMYK Values(71%, 41%, 0%, 38%)
HSV/HSB Values(215°, 71%, 62%)
Closest Web Safe#336699
Inverse Color#D1A262 [Brown Yellow]
Closest Pantone®7685 C
Closest RAL5007 [Brilliant blue]
Complementary Color#9D6E2E [Dark Gold]
Neptune Blue Converted to Grayscale Codes
Simple Average#636363
Weighted Average (Most Common)#565656
Weighted Average (Luma)#585858
Weighted Average (Gamma Adjusted)#999999

Neptune Blue Color Palettes

Complementary color palette of 2E5D9D. Complementary color is 9D6E2E

Complementary Palette

The complement of Neptune Blue is Dark Gold with the hex code #9D6E2E. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #2E5D9D color is offered by #9D6E2E. 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.

2E5D9D 9D6E2E
Analogous color palette with (2E5D9D, 372E9D and 2E959D)

Analogous Palette

The analogous colors of Neptune Blue (#2E5D9D) are Blue (Pigment) (#372E9D) and Zomp (#2E959D). In the RGB color wheel, these two analogous colors occur to the right and left of Neptune 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.

2E5D9D 372E9D 2E959D
Split Complementary color palette with (2E5D9D, 9D372E and 959D2E)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Neptune Blue (#2E5D9D) are #9D372E (Sweet Brown) and #959D2E (Citron). 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.

2E5D9D 9D372E 959D2E
Triadic color palette with (2E5D9D, 9D2E5D and 5D9D2E)

Triadic Palette

Neptune Blue triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #9D2E5D (Amaranth Deep Purple) and #5D9D2E (Maximum Green) along with #2E5D9D create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

2E5D9D 9D2E5D 5D9D2E
Tetradic color palette with (2E5D9D, 9D2E5D, 9D6E2E and 2E9D6E)

Tetradic Palette

The tetradic palette of Neptune Blue has four colors - #9D2E5D (Amaranth Deep Purple), #9D6E2E (Dark Gold) and #2E9D6E (Illuminating Emerald) in addition to the base color (#2E5D9D). 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.

2E5D9D 9D2E5D 9D6E2E 2E9D6E
Square color palette with (2E5D9D, 9D2E95, 9D6E2E and 2E9D37)

Square Palette

Neptune Blue square color palette has #9D2E95 (Fandango), #9D6E2E (Dark Gold) and #2E9D37 (Wageningen 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.

2E5D9D 9D2E95 9D6E2E 2E9D37
Rainbow color

Neptune Blue Color Rainbow Palette

Our Neptune 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.

2E5C9D 5F2E9D 9D2E7C 9D3F2E 9C9D2E 3D9D2E 2E9D7F

Tints, Tones & Shades of Neptune Blue Color


  • Transparent 587DB1587DB1
  • Transparent 6D8EBA6D8EBA
  • Transparent 829EC4829EC4
  • Transparent 97AECE97AECE
  • Transparent ABBED8ABBED8
  • Transparent C0CEE2C0CEE2
  • Transparent D5DFEBD5DFEB
  • Transparent EAEFF5EAEFF5


  • Transparent 3E64973E6497
  • Transparent 476894476894
  • Transparent 4F6B914F6B91
  • Transparent 576F8F576F8F
  • Transparent 5F728C5F728C
  • Transparent 677689677689
  • Transparent 707986707986
  • Transparent 787D83787D83


  • Transparent 254A7E254A7E
  • Transparent 20416E20416E
  • Transparent 1C385E1C385E
  • Transparent 172F4F172F4F
  • Transparent 12253F12253F
  • Transparent 0E1C2F0E1C2F
  • Transparent 09131F09131F
  • Transparent 050910050910

Neptune Blue Color Patterns

  • Transparent

    Neptune Blue Gingham Checks

  • Transparent

    Neptune Blue Vertical Stripes Pattern

  • Transparent

    Neptune Blue Polka Dots Pattern

  • Transparent

    Neptune Blue Honeycomb Pattern

  • Transparent

    Neptune Blue Leaves Pattern

  • Transparent

    Neptune Blue Houndstooth Pattern

  • Transparent

    Neptune Blue Trellis Pattern

  • Transparent

    Neptune Blue Plaid Pattern

Neptune Blue Color Interior Ideas

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

Neptune Blue Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on Neptune Blue color Living room wal color

Neptune Blue Color Living Room Wall Paint Idea

Pretty Photo frame on Neptune Blue color Bedroom interior wall color

Neptune Blue Color Bedroom Wall Paint Idea

Pretty Photo frame on Neptune Blue color kitchen interior wall color

Neptune Blue Color Kitchen Wall Paint Idea

Photo credits: