Information about #645D5D color

#645D5D color image

Basic facts about this digital color

#645D5D falls into the Red Color Family — Desaturated, Neutral brightness. Its exact recipe is rgb(100, 93, 93) — 39.2% red, 36.5% green, 36.5% blue — and for print it converts to CMYK 0 / 3 / 3 / 61. New to color codes? See our guide to RGB color codes.

The color #645D5D reads as a muted, almost neutral grey and occupies the middle of the lightness scale. Designers typically reach for tones like this for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is a hair away from Carbon Gray (#625D5D). Slightly further away sit Half Masala (#67635C) and Matakana (#685D63).

In RGB terms — rgb(100, 93, 93) — the red channel does the heavy lifting here. Accessibility-wise, white text works best on #645D5D: 6.4:1 contrast (passing WCAG AA) versus 3.3:1 for black. On paper it relies strongly on black ink (K:61), so proof dark layouts before a large print run. No one has named #645D5D so far. Register a name for it and it becomes a permanent record.

#645D5D color variations

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

#645D5D color tints

Tints look brighter, pastel, and less intense.
#645D5D

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#857B7B

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#A39C9C

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#C2BDBD

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#E0DEDE

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White

#FFFFFF

#645D5D color shades

Shades look darker, richer, and more solid.
#645D5D

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#504A4A

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#3C3737

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#282525

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#141212

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Black

#000000

#645D5D color tones

Tones looks more sophisticated and complex than base colors.
#645D5D

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#6A6363

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#6F6A6A

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#757171

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#7A7878

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Grey

#808080

#645D5D color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#63645D

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#64635D

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#64605D

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#645D5D

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#645D60

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#645D63

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#635D64

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#645D5D 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
#645D5D
#645D5D

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#5D6565
#5D6565

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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
#645D5D
#645D5D

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#5D6165
#5D6165

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#5D6561
#5D6561

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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
#65615D
#65615D

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#645D5D
#645D5D

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#655D61
#655D61

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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
#645D5D
#645D5D

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#5D655D
#5D655D

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#5D5D65
#5D5D65

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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
#645D5D
#645D5D

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#65655D
#65655D

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#5D6565
#5D6565

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#5D5D65
#5D5D65

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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
#645D5D
#645D5D

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#61655D
#61655D

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#5D6565
#5D6565

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#615D65
#615D65

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Nearest named colors to #645D5D

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

Carbon Gray color link
Carbon Gray

#625D5D

Half Masala color link
Half Masala

#67635C

Matakana color link
Matakana

#685D63

Zambezi color link
Zambezi

#6B5A5A

Pure Pewter color link
Pure Pewter

#666156

Tinpan Alley color link
Tinpan Alley

#5C5B59

Storm Dust color link
Storm Dust

#646463

Greyish Dark Green color link
Greyish Dark Green

#656255

Condor color link
Condor

#5B605C

Triple Stack color link
Triple Stack

#656660

Half Gravel color link
Half Gravel

#5C5D56

Gray Dolphin color link
Gray Dolphin

#5C5858

#645D5D color backgrounds & wallpapers

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

#645D5D color image #645D5D color ORCN HD wallpaper 3840x2160 (Desktop)
#645D5D color image #645D5D color ORCN HD wallpaper 1170x2532 (Mobile)
#645D5D color image #645D5D color solid HD wallpaper 3840x2160 (Desktop)
#645D5D color image #645D5D color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#645D5D
  • RGB100, 93, 93
  • CMYK0, 3, 3, 61
  • CSSrgb(100, 93, 93)
  • HSL0°, 4%, 38%
  • HSL Precise0°, 3.627%, 37.843%
  • HSV0°, 7%, 39%
  • HSB0°, 7%, 39%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.365
  • Normalized B (0.0–1.0)0.365
  • GLSLvec3(0.392, 0.365, 0.365)
  • GLSL with alphavec4(0.392, 0.365, 0.365, 1.000)
  • HLSL / Metalfloat3(0.392, 0.365, 0.365)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB36.5%
  • Percentage of Blue in RGB36.5%
  • Color FamilyRed
  • Saturation FamilyDesaturated
  • Lightness FamilyNeutral
  • HEX ID645D5D
  • DECIMAL ID6577501
  • Name LengthThis color has no name
  • Seen by search & AI crawlers26 times
  • Counting from2025-01-01

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ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.