Information about #645E81 color

#645E81 color image

Basic facts about this digital color

In the Register's classification, #645E81 belongs to the Blue Color Family, featuring Low Saturation and Light brightness. The mix behind it: rgb(100, 94, 129) — 39.2% red, 36.9% green, 50.6% blue; the print equivalent is CMYK 11 / 14 / 0 / 49. Curious how these numbers work? Read our RGB color codes guide.

#645E81 is a calm, restrained deep-sea blue that sits on the lighter side of the spectrum. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from High Society (#695B7C). Nearby in the Register you will also find Kimberly (#695D87) and Covert (#645977).

In RGB terms — rgb(100, 94, 129) — the blue channel does the heavy lifting here. If you plan to put text on a #645E81 background, choose white — the contrast ratio is 6.1:1 (passing WCAG AA), while black manages only 3.5:1. #645E81 has no official name yet. If this shade means something to you, you can be the one to name it.

#645E81 color variations

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

#645E81 color tints

Tints look brighter, pastel, and less intense.
#645E81

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#807A9F

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#A09BB7

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#BFBCCF

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#DFDDE7

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White

#FFFFFF

#645E81 color shades

Shades look darker, richer, and more solid.
#645E81

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#504B68

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#3C384E

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#282534

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#14121A

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Black

#000000

#645E81 color tones

Tones looks more sophisticated and complex than base colors.
#645E81

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#696482

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#6E6A81

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#747181

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#797880

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Grey

#808080

#645E81 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#825E74

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#805E82

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#725E82

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#645E81

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#5E6682

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#5E7482

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#5E8280

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#645E81 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
#645E81
#645E81

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#7C825E
#7C825E

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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
#645E81
#645E81

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#6A825E
#6A825E

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#82765E
#82765E

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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
#765E82
#765E82

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#645E81
#645E81

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#5E6A82
#5E6A82

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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
#645E81
#645E81

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#82645E
#82645E

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#5E8264
#5E8264

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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
#645E81
#645E81

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#825E7C
#825E7C

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#7C825E
#7C825E

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#5E8264
#5E8264

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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
#645E81
#645E81

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#825E6A
#825E6A

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#7C825E
#7C825E

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#5E8276
#5E8276

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Nearest named colors to #645E81

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

High Society color link
High Society

#695B7C

Kimberly color link
Kimberly

#695D87

Covert color link
Covert

#645977

Butterfly Bush color link
Butterfly Bush

#68578C

Sunset-stone-equanimity-natalie color link
Sunset-stone-equanimity-natalie

#656A88

Comet color link
Comet

#636373

Centaurian color link
Centaurian

#6E5977

Mist Blue color link
Mist Blue

#646D7E

Jet Gray color link
Jet Gray

#616D7E

Lifesaver color link
Lifesaver

#535E7F

Jupiter color link
Jupiter

#6A5177

Rustic Blue color link
Rustic Blue

#525D80

#645E81 color backgrounds & wallpapers

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

#645E81 color image #645E81 color ORCN HD wallpaper 3840x2160 (Desktop)
#645E81 color image #645E81 color ORCN HD wallpaper 1170x2532 (Mobile)
#645E81 color image #645E81 color solid HD wallpaper 3840x2160 (Desktop)
#645E81 color image #645E81 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#645E81
  • RGB100, 94, 129
  • CMYK11, 14, 0, 49
  • CSSrgb(100, 94, 129)
  • HSL250°, 16%, 44%
  • HSL Precise250.286°, 15.695%, 43.725%
  • HSV250°, 27%, 51%
  • HSB250°, 27%, 51%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.369
  • Normalized B (0.0–1.0)0.506
  • GLSLvec3(0.392, 0.369, 0.506)
  • GLSL with alphavec4(0.392, 0.369, 0.506, 1.000)
  • HLSL / Metalfloat3(0.392, 0.369, 0.506)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB36.9%
  • Percentage of Blue in RGB50.6%
  • Color FamilyBlue
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID645E81
  • DECIMAL ID6577793
  • Name LengthThis color has no name
  • Seen by search & AI crawlers6 times
  • Counting from2025-01-01

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