Information about #558DB4 color

#558DB4 color image

Basic facts about this digital color

The digital color #558DB4 is classified in the Register under the Azure Color Family, with Mild Saturation and Light brightness. In numbers: rgb(85, 141, 180) (33.3% red, 55.3% green, 70.6% blue), or CMYK 37 / 15 / 0 / 29 for print. Curious how these numbers work? Read our RGB color codes guide.

#558DB4 is a moderately toned steel-blue azure that carries an easy, daylight feel. It is a natural fit for balanced palettes where no single element should shout. In The Official Register of Color Names it is almost identical to Monge Blue (#4D8DB2). Slightly further away sit Ultramarine Color (#5D8CAE) and Silver Lake Blue (#5D89BA).

The recipe behind #558DB4 is rgb(85, 141, 180), with blue as the dominant ingredient. On this background, black text reaches a 5.9:1 contrast ratio (passing WCAG AA); white stays at 3.6:1. Out of 16,777,216 possible colors, #558DB4 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#558DB4 color variations

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

#558DB4 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 #558DB4

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

Monge Blue color link
Monge Blue

#4D8DB2

Subzero color link
Subzero

#5B8DBD

Off Blue color link
Off Blue

#5684AE

Hemisphere color link
Hemisphere

#4E93BA

Dusty Blue color link
Dusty Blue

#5A86AD

Cyan Azure color link
Cyan Azure

#4E82B4

Danube color link
Danube

#5B89C0

Cool Blue color link
Cool Blue

#4984B8

Glaucous color link
Glaucous

#6082B6

Conversions between color systems and etc.

  • HEX#558DB4
  • RGB85, 141, 180
  • CMYK37, 15, 0, 29
  • CSSrgb(85, 141, 180)
  • HSL205°, 39%, 52%
  • HSL Precise204.632°, 38.776%, 51.961%
  • HSV205°, 53%, 71%
  • HSB205°, 53%, 71%
  • Normalized R (0.0–1.0)0.333
  • Normalized G (0.0–1.0)0.553
  • Normalized B (0.0–1.0)0.706
  • GLSLvec3(0.333, 0.553, 0.706)
  • GLSL with alphavec4(0.333, 0.553, 0.706, 1.000)
  • HLSL / Metalfloat3(0.333, 0.553, 0.706)
  • Percentage of Red in RGB33.3%
  • Percentage of Green in RGB55.3%
  • Percentage of Blue in RGB70.6%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyLight
  • HEX ID558DB4
  • DECIMAL ID5606836
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01