Information about #51687B color

#51687B color image

Basic facts about this digital color

The digital color #51687B is classified in the Register under the Azure Color Family, with Low Saturation and Light brightness. Its exact recipe is rgb(81, 104, 123) — 31.8% red, 40.8% green, 48.2% blue — and for print it converts to CMYK 16 / 7 / 0 / 52. Curious how these numbers work? Read our RGB color codes guide.

A softly toned steel-blue azure, #51687B feels open and friendly. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from Dark Electric Blue (#536878). Its next-closest registered neighbors are Marble Blue (#566D7E) and Seachange (#4E6E81).

In RGB terms — rgb(81, 104, 123) — the blue channel does the heavy lifting here. If you plan to put text on a #51687B background, choose white — the contrast ratio is 5.8:1 (passing WCAG AA), while black manages only 3.6:1. No one has named #51687B so far. Register a name for it and it becomes a permanent record.

#51687B color variations

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

#51687B 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 #51687B

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

Marble Blue color link
Marble Blue

#566D7E

Seachange color link
Seachange

#4E6E81

Cadet color link
Cadet

#536872

Slate color link
Slate

#516572

Bismark color link
Bismark

#486C7A

Streetwise color link
Streetwise

#4F6971

Lifesaver color link
Lifesaver

#535E7F

Sabbatical color link
Sabbatical

#547377

Rustic Blue color link
Rustic Blue

#525D80

Black Coral color link
Black Coral

#54626F

Wedgewood color link
Wedgewood

#4C6B88

Conversions between color systems and etc.

  • HEX#51687B
  • RGB81, 104, 123
  • CMYK16, 7, 0, 52
  • CSSrgb(81, 104, 123)
  • HSL207°, 21%, 40%
  • HSL Precise207.143°, 20.588%, 40%
  • HSV207°, 34%, 48%
  • HSB207°, 34%, 48%
  • Normalized R (0.0–1.0)0.318
  • Normalized G (0.0–1.0)0.408
  • Normalized B (0.0–1.0)0.482
  • GLSLvec3(0.318, 0.408, 0.482)
  • GLSL with alphavec4(0.318, 0.408, 0.482, 1.000)
  • HLSL / Metalfloat3(0.318, 0.408, 0.482)
  • Percentage of Red in RGB31.8%
  • Percentage of Green in RGB40.8%
  • Percentage of Blue in RGB48.2%
  • Color FamilyAzure
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID51687B
  • DECIMAL ID5335163
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01