Information about #666D8F color

#666D8F color image

Basic facts about this digital color

The digital color #666D8F is classified in the Register under the Blue Color Family, with Low Saturation and Light brightness. Its exact recipe is rgb(102, 109, 143) — 40% red, 42.7% green, 56.1% blue — and for print it converts to CMYK 16 / 13 / 0 / 44. Curious how these numbers work? Read our RGB color codes guide.

#666D8F presents itself as a softly toned deep-sea blue — one that carries an easy, daylight feel. It is a natural fit for balanced palettes where no single element should shout. In The Official Register of Color Names it is very close to Waikawa Grey (#5B6E91). Slightly further away sit Elevate (#60768B) and Dark Blue Gray (#666699).

In RGB terms — rgb(102, 109, 143) — the blue channel does the heavy lifting here. On this background, white text reaches a 5.1:1 contrast ratio (passing WCAG AA); black stays at 4.1:1. Out of 16,777,216 possible colors, #666D8F is still unnamed — it can be claimed and named in The Official Register of Color Names.

#666D8F color variations

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

#666D8F color tints

Tints look brighter, pastel, and less intense.
#666D8F

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#8288A6

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#A1A6BC

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#C0C3D2

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#DFE1E8

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White

#FFFFFF

#666D8F color shades

Shades look darker, richer, and more solid.
#666D8F

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#515672

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#3C4155

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#282B39

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#14151C

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Black

#000000

#666D8F color tones

Tones looks more sophisticated and complex than base colors.
#666D8F

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#6A708C

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#6F7389

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#747785

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#7A7B82

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Grey

#808080

#666D8F color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#8F658D

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#7F658F

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#6F658F

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#666D8F

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#657D8F

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#658D8F

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#658F7F

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#666D8F 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
#666D8F
#666D8F

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#8F8866
#8F8866

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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
#666D8F
#666D8F

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#818F66
#818F66

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#8F7366
#8F7366

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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
#73668F
#73668F

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#666D8F
#666D8F

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#66818F
#66818F

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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
#666D8F
#666D8F

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#8F666D
#8F666D

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#6D8F66
#6D8F66

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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
#666D8F
#666D8F

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#88668F
#88668F

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#8F8866
#8F8866

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#6D8F66
#6D8F66

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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
#666D8F
#666D8F

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#8F6681
#8F6681

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#8F8866
#8F8866

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#668F73
#668F73

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Nearest named colors to #666D8F

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

Waikawa Grey color link
Waikawa Grey

#5B6E91

Elevate color link
Elevate

#60768B

Dark Blue Gray color link
Dark Blue Gray

#666699

Kingfisher Blue color link
Kingfisher Blue

#596A8B

Weathered Blue color link
Weathered Blue

#677583

Kashmir Blue color link
Kashmir Blue

#576D8E

Escapade color link
Escapade

#667C91

Blue Grey color link
Blue Grey

#607C8E

Mist Blue color link
Mist Blue

#646D7E

Lynch color link
Lynch

#697D89

Jet Gray color link
Jet Gray

#616D7E

Panorama color link
Panorama

#597499

#666D8F color backgrounds & wallpapers

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

#666D8F color image #666D8F color ORCN HD wallpaper 3840x2160 (Desktop)
#666D8F color image #666D8F color ORCN HD wallpaper 1170x2532 (Mobile)
#666D8F color image #666D8F color solid HD wallpaper 3840x2160 (Desktop)
#666D8F color image #666D8F color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#666D8F
  • RGB102, 109, 143
  • CMYK16, 13, 0, 44
  • CSSrgb(102, 109, 143)
  • HSL230°, 17%, 48%
  • HSL Precise229.756°, 16.735%, 48.039%
  • HSV230°, 29%, 56%
  • HSB230°, 29%, 56%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.427
  • Normalized B (0.0–1.0)0.561
  • GLSLvec3(0.400, 0.427, 0.561)
  • GLSL with alphavec4(0.400, 0.427, 0.561, 1.000)
  • HLSL / Metalfloat3(0.400, 0.427, 0.561)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB42.7%
  • Percentage of Blue in RGB56.1%
  • Color Family (Hue)Blue
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID666D8F
  • DECIMAL ID6712719
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

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