Information about #555B6E color

#555B6E color image

Basic facts about this digital color

The digital color #555B6E is classified in the Register under the Blue Color Family, with Low Saturation and Neutral brightness. Its exact recipe is rgb(85, 91, 110) — 33.3% red, 35.7% green, 43.1% blue — and for print it converts to CMYK 10 / 7 / 0 / 57. Curious how these numbers work? Read our RGB color codes guide.

#555B6E presents itself as a calm, restrained deep-sea blue — one that sits comfortably between light and dark. 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 Quadrant Grey (#595E6B). Nearby in the Register you will also find Black Coral (#54626F) and Hammerhead (#515769).

In RGB terms — rgb(85, 91, 110) — the blue channel does the heavy lifting here. If you plan to put text on a #555B6E background, choose white — the contrast ratio is 6.8:1 (passing WCAG AA), while black manages only 3.1:1. #555B6E has no official name yet. If this shade means something to you, you can be the one to name it.

#555B6E color variations

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

#555B6E 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 #555B6E

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

Black Coral color link
Black Coral

#54626F

Hammerhead color link
Hammerhead

#515769

Snapshot color link
Snapshot

#505F67

Slate Grey color link
Slate Grey

#59656D

Slate color link
Slate

#516572

Smoky color link
Smoky

#605D6B

Haast Shale color link
Haast Shale

#515664

Enigma color link
Enigma

#515072

Conversions between color systems and etc.

  • HEX#555B6E
  • RGB85, 91, 110
  • CMYK10, 7, 0, 57
  • CSSrgb(85, 91, 110)
  • HSL226°, 13%, 38%
  • HSL Precise225.6°, 12.821%, 38.235%
  • HSV226°, 23%, 43%
  • HSB226°, 23%, 43%
  • Normalized R (0.0–1.0)0.333
  • Normalized G (0.0–1.0)0.357
  • Normalized B (0.0–1.0)0.431
  • GLSLvec3(0.333, 0.357, 0.431)
  • GLSL with alphavec4(0.333, 0.357, 0.431, 1.000)
  • HLSL / Metalfloat3(0.333, 0.357, 0.431)
  • Percentage of Red in RGB33.3%
  • Percentage of Green in RGB35.7%
  • Percentage of Blue in RGB43.1%
  • Color FamilyBlue
  • Saturation FamilyLow Saturation
  • Lightness FamilyNeutral
  • HEX ID555B6E
  • DECIMAL ID5593966
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01