Information about #556D77 color

#556D77 color image

Basic facts about this digital color

The digital color #556D77 is classified in the Register under the Azure Color Family, with Low Saturation and Light brightness. Its exact recipe is rgb(85, 109, 119) — 33.3% red, 42.7% green, 46.7% blue — and for print it converts to CMYK 13 / 4 / 0 / 53. Curious how these numbers work? Read our RGB color codes guide.

#556D77 presents itself as a calm, restrained steel-blue azure — one that feels open and friendly. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Dark Electric Blue (#536878). Its next-closest registered neighbors are Sabbatical (#547377) and Marble Blue (#566D7E).

The recipe behind #556D77 is rgb(85, 109, 119), with blue as the dominant ingredient. If you plan to put text on a #556D77 background, choose white — the contrast ratio is 5.5:1 (passing WCAG AA), while black manages only 3.8:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#556D77 color variations

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

#556D77 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 #556D77

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

Sabbatical color link
Sabbatical

#547377

Marble Blue color link
Marble Blue

#566D7E

Cadet color link
Cadet

#536872

Streetwise color link
Streetwise

#4F6971

Gateway color link
Gateway

#5E7175

Slate color link
Slate

#516572

Seachange color link
Seachange

#4E6E81

Obelisk color link
Obelisk

#617274

Bismark color link
Bismark

#486C7A

Imprint color link
Imprint

#5C7670

Slate Grey color link
Slate Grey

#59656D

Conversions between color systems and etc.

  • HEX#556D77
  • RGB85, 109, 119
  • CMYK13, 4, 0, 53
  • CSSrgb(85, 109, 119)
  • HSL198°, 17%, 40%
  • HSL Precise197.647°, 16.667%, 40%
  • HSV198°, 29%, 47%
  • HSB198°, 29%, 47%
  • Normalized R (0.0–1.0)0.333
  • Normalized G (0.0–1.0)0.427
  • Normalized B (0.0–1.0)0.467
  • GLSLvec3(0.333, 0.427, 0.467)
  • GLSL with alphavec4(0.333, 0.427, 0.467, 1.000)
  • HLSL / Metalfloat3(0.333, 0.427, 0.467)
  • Percentage of Red in RGB33.3%
  • Percentage of Green in RGB42.7%
  • Percentage of Blue in RGB46.7%
  • Color FamilyAzure
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID556D77
  • DECIMAL ID5598583
  • Name LengthThis color has no name
  • Seen by search & AI crawlers15 times
  • Counting from2025-01-01