Information about #218BB5 color

#218BB5 color image

Basic facts about this digital color

In the Register's classification, #218BB5 belongs to the Azure Color Family, featuring High Saturation and Light brightness. The mix behind it: rgb(33, 139, 181) — 12.9% red, 54.5% green, 71% blue; the print equivalent is CMYK 58 / 16 / 0 / 29. Curious how these numbers work? Read our RGB color codes guide.

The color #218BB5 reads as a vivid, lively sky-leaning azure and carries an easy, daylight feel. Expect to see shades like this in accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is just a few steps away from Pelorous (#2599B2). Slightly further away sit Cyan Cornflower Blue (#188BC2) and Freefall (#1D95C9).

Technically, the mix leans on its blue channel (rgb(33, 139, 181)), which gives #218BB5 its character. Accessibility-wise, black text works best on #218BB5: 5.4:1 contrast (passing WCAG AA) versus 3.9:1 for white. No one has named #218BB5 so far. Register a name for it and it becomes a permanent record.

#218BB5 color variations

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

#218BB5 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 #218BB5

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

Pelorous color link
Pelorous

#2599B2

Freefall color link
Freefall

#1D95C9

Bluish color link
Bluish

#2976BB

Blue Ivy color link
Blue Ivy

#3090C7

Blue Green color link
Blue Green

#0D98BA

Nice Blue color link
Nice Blue

#107AB0

UCLA Blue color link
UCLA Blue

#2774AE

Scooter color link
Scooter

#308EA0

Douban Blue color link
Douban Blue

#2496CD

Boston Blue color link
Boston Blue

#3B91B4

Conversions between color systems and etc.

  • HEX#218BB5
  • RGB33, 139, 181
  • CMYK58, 16, 0, 29
  • CSSrgb(33, 139, 181)
  • HSL197°, 69%, 42%
  • HSL Precise197.027°, 69.159%, 41.961%
  • HSV197°, 82%, 71%
  • HSB197°, 82%, 71%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.545
  • Normalized B (0.0–1.0)0.710
  • GLSLvec3(0.129, 0.545, 0.710)
  • GLSL with alphavec4(0.129, 0.545, 0.710, 1.000)
  • HLSL / Metalfloat3(0.129, 0.545, 0.710)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB54.5%
  • Percentage of Blue in RGB71%
  • Color FamilyAzure
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID218BB5
  • DECIMAL ID2198453
  • Name LengthThis color has no name
  • Seen by search & AI crawlers29 times
  • Counting from2025-01-01