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Information about #666C91 color

#666C91 color image

Basic facts about this digital color

The digital color #666C91 is classified in the Register under the Blue Color Family, with Low Saturation and Light brightness. Its exact recipe is rgb(102, 108, 145) — 40% red, 42.4% green, 56.9% blue — and for print it converts to CMYK 17 / 15 / 0 / 43. Curious how these numbers work? Read our RGB color codes guide.

A calm, restrained deep-sea blue, #666C91 feels open and friendly. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from Dark Blue Gray (#666699). Its next-closest registered neighbors are Waikawa Grey (#5B6E91) and Elevate (#60768B).

The recipe behind #666C91 is rgb(102, 108, 145), with blue as the dominant ingredient. If you plan to put text on a #666C91 background, choose white — the contrast ratio is 5.1:1 (passing WCAG AA), while black manages only 4.1:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#666C91 color variations

View this color variations of tints, shades, tones and hues.

#666C91 color tints

Tints look brighter, pastel, and less intense.
#666C91

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#8287A6

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#A1A5BC

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#C0C3D2

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#DFE1E8

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White

#FFFFFF

#666C91 color shades

Shades look darker, richer, and more solid.
#666C91

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#515572

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#3C4055

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#282A39

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#14151C

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Black

#000000

#666C91 color tones

Tones looks more sophisticated and complex than base colors.
#666C91

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#6A6F8C

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#6F7389

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#747785

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#7A7B82

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Grey

#808080

#666C91 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#8F658C

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#81658F

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#70658F

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#666C91

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#657B8F

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#658C8F

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#658F81

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#666C91 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes
#666C91
#666C91

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#8F8A66
#8F8A66

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Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme
#666C91
#666C91

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#808F66
#808F66

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#8F7566
#8F7566

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Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme
#75668F
#75668F

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#666C91
#666C91

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#66808F
#66808F

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Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme
#666C91
#666C91

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#8F666B
#8F666B

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#6B8F66
#6B8F66

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Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#666C91
#666C91

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#8A668F
#8A668F

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#8F8A66
#8F8A66

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#6B8F66
#6B8F66

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Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#666C91
#666C91

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#8F6680
#8F6680

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#8F8A66
#8F8A66

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#668F75
#668F75

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Nearest named colors to #666C91

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Dark Blue Gray color link
Dark Blue Gray

#666699

Waikawa Grey color link
Waikawa Grey

#5B6E91

Elevate color link
Elevate

#60768B

Kingfisher Blue color link
Kingfisher Blue

#596A8B

Kashmir Blue color link
Kashmir Blue

#576D8E

Escapade color link
Escapade

#667C91

Weathered Blue color link
Weathered Blue

#677583

Deloras color link
Deloras

#606AA1

Panorama color link
Panorama

#597499

Blue Grey color link
Blue Grey

#607C8E

Waratah color link
Waratah

#55698B

Kimberly color link
Kimberly

#695D87

#666C91 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#666C91 color image #666C91 color ORCN HD wallpaper 3840x2160 (Desktop)
#666C91 color image #666C91 color ORCN HD wallpaper 1170x2532 (Mobile)
#666C91 color image #666C91 color solid HD wallpaper 3840x2160 (Desktop)
#666C91 color image #666C91 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#666C91
  • RGB102, 108, 145
  • CMYK17, 15, 0, 43
  • CSSrgb(102, 108, 145)
  • HSL232°, 17%, 48%
  • HSL Precise231.628°, 17.409%, 48.431%
  • HSV232°, 30%, 57%
  • HSB232°, 30%, 57%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.424
  • Normalized B (0.0–1.0)0.569
  • GLSLvec3(0.400, 0.424, 0.569)
  • GLSL with alphavec4(0.400, 0.424, 0.569, 1.000)
  • HLSL / Metalfloat3(0.400, 0.424, 0.569)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB42.4%
  • Percentage of Blue in RGB56.9%
  • Color FamilyBlue
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID666C91
  • DECIMAL ID6712465
  • Name LengthThis color has no name
  • This page visited4 times
  • Counting from2025-01-01

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