Information about #645F77 color

#645F77 color image

Basic facts about this digital color

The digital color #645F77 is classified in the Register under the Blue Color Family, with Low Saturation and Light brightness. Its exact recipe is rgb(100, 95, 119) — 39.2% red, 37.3% green, 46.7% blue — and for print it converts to CMYK 7 / 9 / 0 / 53. New to color codes? See our guide to RGB color codes.

#645F77 presents itself as a gently muted classic blue — one that carries an easy, daylight feel. In practice it works well for balanced palettes where no single element should shout. In The Official Register of Color Names it is practically indistinguishable from Comet (#636373). Slightly further away sit Covert (#645977) and High Society (#695B7C).

Technically, the mix leans on its blue channel (rgb(100, 95, 119)), which gives #645F77 its character. On this background, white text reaches a 6.1:1 contrast ratio (passing WCAG AA); black stays at 3.4:1. #645F77 has no official name yet. If this shade means something to you, you can be the one to name it.

#645F77 color variations

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

#645F77 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 #645F77

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

Comet color link
Comet

#636373

Covert color link
Covert

#645977

High Society color link
High Society

#695B7C

Dolphin color link
Dolphin

#6A6873

Centaurian color link
Centaurian

#6E5977

Smoky color link
Smoky

#605D6B

Quarter Tuna color link
Quarter Tuna

#656A70

Shuttle Grey color link
Shuttle Grey

#61666B

Rum color link
Rum

#716675

Mid Grey color link
Mid Grey

#666A6D

Jupiter color link
Jupiter

#6A5177

Mist Blue color link
Mist Blue

#646D7E

Conversions between color systems and etc.

  • HEX#645F77
  • RGB100, 95, 119
  • CMYK7, 9, 0, 53
  • CSSrgb(100, 95, 119)
  • HSL253°, 11%, 42%
  • HSL Precise252.5°, 11.215%, 41.961%
  • HSV253°, 20%, 47%
  • HSB253°, 20%, 47%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.373
  • Normalized B (0.0–1.0)0.467
  • GLSLvec3(0.392, 0.373, 0.467)
  • GLSL with alphavec4(0.392, 0.373, 0.467, 1.000)
  • HLSL / Metalfloat3(0.392, 0.373, 0.467)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB37.3%
  • Percentage of Blue in RGB46.7%
  • Color FamilyBlue
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID645F77
  • DECIMAL ID6578039
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01