Search Colors

Smock Blue Color

HEX #3B646C / RGB (59, 100, 108)

Blue color sleeveless dress

What is Smock Blue Color?

Smock Blue (Hex code: 3B646C) Thumbnail

Smock Blue has the hex code #3B646C. The equivalent RGB values are (59, 100, 108), which means it is composed of 22% red, 37% green and 40% blue. The CMYK color codes, used in printers, are C:45 M:8 Y:0 K:58. In the HSV/HSB scale, Smock Blue has a hue of 190°, 45% saturation and a brightness value of 42%.
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 220 40 15, Smock Blue hex code is #3B646C with equivalent RGB (59, 100, 108). 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, Smock 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 Smock Blue Solid Color Background

Smock Blue Color Codes

Hex Code#3B646C
RGB Values(59, 100, 108)
CMYK Values(45%, 8%, 0%, 58%)
HSV/HSB Values(190°, 45%, 42%)
Closest Web Safe#336666
Inverse Color#C49B93 [Tuscany]
Closest Pantone®7545 C
Closest RAL5009 [Azure blue]
Complementary Color#6C433B [Deep Coffee]
Smock Blue Converted to Grayscale Codes
Simple Average#595959
Weighted Average (Most Common)#595959
Weighted Average (Luma)#5C5C5C
Weighted Average (Gamma Adjusted)#9C9C9C

Smock Blue Color Palettes

Complementary color palette of 3B646C. Complementary color is 6C433B

Complementary Palette

The complement of Smock Blue is Deep Coffee with the hex code #6C433B. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #3B646C color is offered by #6C433B. 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.

3B646C 6C433B
Analogous color palette with (3B646C, 3B4C6C and 3B6C5C)

Analogous Palette

The analogous colors of Smock Blue (#3B646C) are Police Blue (#3B4C6C) and Amazon (#3B6C5C). In the RGB color wheel, these two analogous colors occur to the right and left of Smock 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.

3B646C 3B4C6C 3B6C5C
Split Complementary color palette with (3B646C, 6C3B4B and 6C5C3B)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Smock Blue (#3B646C) are #6C3B4B (Deep Tuscan Red) and #6C5C3B (Mud). 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.

3B646C 6C3B4B 6C5C3B
Triadic color palette with (3B646C, 6C3B64 and 646C3B)

Triadic Palette

Smock Blue triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #6C3B64 (Halayà Úbe) and #646C3B (Mustard Green) along with #3B646C create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

3B646C 6C3B64 646C3B
Tetradic color palette with (3B646C, 6C3B64, 6C433B and 3B6C43)

Tetradic Palette

The tetradic palette of Smock Blue has four colors - #6C3B64 (Halayà Úbe), #6C433B (Deep Coffee) and #3B6C43 (Deep Moss Green) in addition to the base color (#3B646C). 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.

3B646C 6C3B64 6C433B 3B6C43
Square color palette with (3B646C, 5C3B6C, 6C433B and 4C6C3B)

Square Palette

Smock Blue square color palette has #5C3B6C (Imperial), #6C433B (Deep Coffee) and #4C6C3B (Dark Olive 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.

3B646C 5C3B6C 6C433B 4C6C3B
Rainbow color

Smock Blue Color Rainbow Palette

Our Smock 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.

3B646C 3C3B6C 663B6C 6C3B48 6C583B 566C3B 3B6C4A

Tints, Tones & Shades of Smock Blue Color


  • Transparent 628389628389
  • Transparent 769398769398
  • Transparent 89A2A789A2A7
  • Transparent 9DB2B69DB2B6
  • Transparent B1C1C4B1C1C4
  • Transparent C4D1D3C4D1D3
  • Transparent D8E0E2D8E0E2
  • Transparent EBF0F0EBF0F0


  • Transparent 496A70496A70
  • Transparent 506C72506C72
  • Transparent 576F74576F74
  • Transparent 5E72765E7276
  • Transparent 647578647578
  • Transparent 6B787A6B787A
  • Transparent 727A7C727A7C
  • Transparent 797D7E797D7E


  • Transparent 2F50562F5056
  • Transparent 29464C29464C
  • Transparent 233C41233C41
  • Transparent 1E32361E3236
  • Transparent 18282B18282B
  • Transparent 121E20121E20
  • Transparent 0C14160C1416
  • Transparent 060A0B060A0B

Smock Blue Color Patterns

  • Transparent

    Smock Blue Gingham Checks

  • Transparent

    Smock Blue Vertical Stripes Pattern

  • Transparent

    Smock Blue Polka Dots Pattern

  • Transparent

    Smock Blue Honeycomb Pattern

  • Transparent

    Smock Blue Leaves Pattern

  • Transparent

    Smock Blue Houndstooth Pattern

  • Transparent

    Smock Blue Trellis Pattern

  • Transparent

    Smock Blue Plaid Pattern

Smock Blue Color Interior Ideas

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

Smock Blue Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on Smock Blue color Living room wal color

Smock Blue Color Living Room Wall Paint Idea

Pretty Photo frame on Smock Blue color Bedroom interior wall color

Smock Blue Color Bedroom Wall Paint Idea

Pretty Photo frame on Smock Blue color kitchen interior wall color

Smock Blue Color Kitchen Wall Paint Idea

Photo credits: