Happy Blue

HEX #5156E5 / RGB (81, 86, 229)

blue colored party balloons

What is Happy Blue Color?

Happy Blue (Hex code: 5156E5) Thumbnail

Happy Blue has the hex code #5156E5. The equivalent RGB values are (81, 86, 229), which means it is composed of 20% red, 22% green and 58% blue. The CMYK color codes, used in printers, are C:65 M:62 Y:0 K:10. In the HSV/HSB scale, Happy Blue has a hue of 238°, 65% saturation and a brightness value of 90%.
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.

Happy blue is a brilliant blue color which can be applied to web pages with HTML and/or CSS via its hexadecimal, RGB or HSL codes. The CMYK color codes listed on the page have been derived from the hexadecimal code using standard formulae and are, therefore, only approximates.

Happy Blue Color Codes

Hex Code#5156E5
RGB Values(81, 86, 229)
CMYK Values(65%, 62%, 0%, 10%)
HSV/HSB Values(238°, 65%, 90%)
Closest Web Safe#6666CC
Inverse Color#AEA91A [Citron]
Closest Pantone®2726 C
Closest RAL5012 [Light blue]
Complementary Color#E5E051 [Maximum Green Yellow]
Happy Blue Converted to Grayscale Codes
Simple Average#848484
Weighted Average (Most Common)#646464
Weighted Average (Luma)#5F5F5F
Weighted Average (Gamma Adjusted)#9F9F9F

Happy Blue Color Palettes

Complementary color palette of 5156E5. Complementary color is E5E051

Complementary Palette

The complement of Happy Blue is Maximum Green Yellow with the hex code #E5E051. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #5156E5 color is offered by #E5E051. 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 (5156E5, 9651E5 and 51A0E5)

Analogous Palette

The analogous colors of Happy Blue (#5156E5) are Lavender Indigo (#9651E5) and United Nations Blue (#51A0E5). In the RGB color wheel, these two analogous colors occur to the right and left of Happy 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.

Split Complementary color palette with (5156E5, E59651 and A0E551)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Happy Blue (#5156E5) are #E59651 (Jasper Orange) and #A0E551 (Inchworm). 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 (5156E5, E55156 and 56E551)

Triadic Palette

Happy Blue triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #E55156 (Fire Opal) and #56E551 (Screamin' Green) along with #5156E5 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 (5156E5, E55156, E5E051 and 51E5E0)

Tetradic Palette

The tetradic palette of Happy Blue has four colors - #E55156 (Fire Opal), #E5E051 (Maximum Green Yellow) and #51E5E0 (Turquoise) in addition to the base color (#5156E5). 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 (5156E5, E551A0, E5E051 and 51E596)

Square Palette

Happy Blue square color palette has #E551A0 (Raspberry Pink), #E5E051 (Maximum Green Yellow) and #51E596 (Very Light Malachite 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.

Rainbow color

Happy Blue Color Rainbow Palette

Our Happy 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.

Tints, Tones & Shades of Happy Blue Color


  • Transparent 7478EA#7478EA
  • Transparent 8589ED#8589ED
  • Transparent 979AEF#979AEF
  • Transparent A8ABF2#A8ABF2
  • Transparent B9BBF5#B9BBF5
  • Transparent CBCCF7#CBCCF7
  • Transparent DCDDFA#DCDDFA
  • Transparent EEEEFC#EEEEFC


  • Transparent 5A5ED1#5A5ED1
  • Transparent 5F63C7#5F63C7
  • Transparent 6467BD#6467BD
  • Transparent 696BB3#696BB3
  • Transparent 6D6FA8#6D6FA8
  • Transparent 72739E#72739E
  • Transparent 777894#777894
  • Transparent 7B7C8A#7B7C8A


  • Transparent 4145B7#4145B7
  • Transparent 393CA0#393CA0
  • Transparent 313489#313489
  • Transparent 292B73#292B73
  • Transparent 20225C#20225C
  • Transparent 181A45#181A45
  • Transparent 10112E#10112E
  • Transparent 080917#080917

Happy Blue Color Patterns

  • Transparent

    Happy Blue Gingham Checks

  • Transparent

    Happy Blue Vertical Stripes Pattern

  • Transparent

    Happy Blue Polka Dots Pattern

  • Transparent

    Happy Blue Honeycomb Pattern

  • Transparent

    Happy Blue Leaves Pattern

  • Transparent

    Happy Blue Houndstooth Pattern

  • Transparent

    Happy Blue Trellis Pattern

  • Transparent

    Happy Blue Plaid Pattern

Photo credits: klipartz.com