Slate Blue

HEX #6A5ACD / RGB (106, 90, 205)

Slate Stone

What is Slate Blue Color?

Slate Blue (Hex code: 6A5ACD) Thumbnail

Slate Blue has the hex code #6A5ACD. The equivalent RGB values are (106, 90, 205), which means it is composed of 26% red, 22% green and 51% blue. The CMYK color codes, used in printers, are C:48 M:56 Y:0 K:20. In the HSV/HSB scale, Slate Blue has a hue of 248°, 56% saturation and a brightness value of 80%.
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.

Slate Blue is included in the web colors list, which means it an be used in HTML and CSS code with its name, "SlateBlue", in addition to hex, RGB, CMYK and HSB color values.

Slate Blue Color Codes

Hex Code#6A5ACD
RGB Values(106, 90, 205)
CMYK Values(48%, 56%, 0%, 20%)
HSV/HSB Values(248°, 56%, 80%)
Closest Web Safe#6666CC
Inverse Color#95A532 [Citron]
Closest Pantone®2725 C
Closest RAL4005 [Blue lilac]
Complementary Color#BDCD5A [June Bud]
Slate Blue Converted to Grayscale Codes
Simple Average#868686
Weighted Average (Most Common)#6B6B6B
Weighted Average (Luma)#666666
Weighted Average (Gamma Adjusted)#A4A4A4

Slate Blue Color Palettes

Complementary color palette of 6A5ACD. Complementary color is BDCD5A

Complementary Palette

The complement of Slate Blue is June Bud with the hex code #BDCD5A. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #6A5ACD color is offered by #BDCD5A. 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 (6A5ACD, A45ACD and 5A84CD)

Analogous Palette

The analogous colors of Slate Blue (#6A5ACD) are Amethyst (#A45ACD) and Silver Lake Blue (#5A84CD). In the RGB color wheel, these two analogous colors occur to the right and left of Slate 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 (6A5ACD, CDA45A and 84CD5A)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Slate Blue (#6A5ACD) are #CDA45A (Brown Yellow) and #84CD5A (Dollar Bill). 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 (6A5ACD, CD6A5A and 5ACD6A)

Triadic Palette

Slate Blue triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #CD6A5A (Copper Red) and #5ACD6A (Emerald) along with #6A5ACD 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 (6A5ACD, CD6A5A, BDCD5A and 5ABDCD)

Tetradic Palette

The tetradic palette of Slate Blue has four colors - #CD6A5A (Copper Red), #BDCD5A (June Bud) and #5ABDCD (Sea Serpent) in addition to the base color (#6A5ACD). 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 (6A5ACD, CD5A84, BDCD5A and 5ACDA4)

Square Palette

Slate Blue square color palette has #CD5A84 (Cinnamon Satin), #BDCD5A (June Bud) and #5ACDA4 (Medium Aquamarine). 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

Slate Blue Color Rainbow Palette

Our Slate 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 Slate Blue Color


  • Transparent 887BD7#887BD7
  • Transparent 978CDC#978CDC
  • Transparent A69CE1#A69CE1
  • Transparent B5ADE6#B5ADE6
  • Transparent C3BDEB#C3BDEB
  • Transparent D2CEF0#D2CEF0
  • Transparent E1DEF5#E1DEF5
  • Transparent F0EFFA#F0EFFA


  • Transparent 6E62BE#6E62BE
  • Transparent 7165B6#7165B6
  • Transparent 7369AE#7369AE
  • Transparent 756DA7#756DA7
  • Transparent 77719F#77719F
  • Transparent 797597#797597
  • Transparent 7C788F#7C788F
  • Transparent 7E7C88#7E7C88


  • Transparent 5548A4#5548A4
  • Transparent 4A3F90#4A3F90
  • Transparent 40367B#40367B
  • Transparent 352D67#352D67
  • Transparent 2A2452#2A2452
  • Transparent 201B3E#201B3E
  • Transparent 151229#151229
  • Transparent 0B0915#0B0915

Slate Blue Color Patterns

  • Transparent

    Slate Blue Gingham Checks

  • Transparent

    Slate Blue Vertical Stripes Pattern

  • Transparent

    Slate Blue Polka Dots Pattern

  • Transparent

    Slate Blue Honeycomb Pattern

  • Transparent

    Slate Blue Leaves Pattern

  • Transparent

    Slate Blue Houndstooth Pattern

  • Transparent

    Slate Blue Trellis Pattern

  • Transparent

    Slate Blue Plaid Pattern

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