Information about #645859 color

#645859 color image

Basic facts about this digital color

In the Register's classification, #645859 belongs to the Red Color Family, featuring Desaturated and Neutral brightness. In numbers: rgb(100, 88, 89) (39.2% red, 34.5% green, 34.9% blue), or CMYK 0 / 5 / 4 / 61 for print. Curious how these numbers work? Read our RGB color codes guide.

A softly muted neutral grey, #645859 occupies the middle of the lightness scale. Expect to see shades like this in versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is practically indistinguishable from Carbon Gray (#625D5D). Slightly further away sit Minx (#68535B) and Italian Leather (#635A52).

The recipe behind #645859 is rgb(100, 88, 89), with red as the dominant ingredient. Accessibility-wise, white text works best on #645859: 6.8:1 contrast (passing WCAG AA) versus 3.1:1 for black. On paper it relies strongly on black ink (K:61), so proof dark layouts before a large print run. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#645859 color variations

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

#645859 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

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

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

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

Tetradic

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

Tetradic color scheme

Square

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

Square color scheme

Nearest named colors to #645859

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

Minx color link
Minx

#68535B

Zambezi color link
Zambezi

#6B5A5A

Gray Dolphin color link
Gray Dolphin

#5C5858

Wenge color link
Wenge

#645452

Tinpan Alley color link
Tinpan Alley

#5C5B59

Pure Pewter color link
Pure Pewter

#666156

Half Gravel color link
Half Gravel

#5C5D56

Smokey Ash color link
Smokey Ash

#5D5952

Talisman color link
Talisman

#655D50

Conversions between color systems and etc.

  • HEX#645859
  • RGB100, 88, 89
  • CMYK0, 5, 4, 61
  • CSSrgb(100, 88, 89)
  • HSL355°, 6%, 37%
  • HSL Precise355°, 6.383%, 36.863%
  • HSV355°, 12%, 39%
  • HSB355°, 12%, 39%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.345
  • Normalized B (0.0–1.0)0.349
  • GLSLvec3(0.392, 0.345, 0.349)
  • GLSL with alphavec4(0.392, 0.345, 0.349, 1.000)
  • HLSL / Metalfloat3(0.392, 0.345, 0.349)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB34.5%
  • Percentage of Blue in RGB34.9%
  • Color FamilyRed
  • Saturation FamilyDesaturated
  • Lightness FamilyNeutral
  • HEX ID645859
  • DECIMAL ID6576217
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01