Information about #278CB4 color

#278CB4 color image

Basic facts about this digital color

In the Register's classification, #278CB4 belongs to the Azure Color Family, featuring High Saturation and Light brightness. The mix behind it: rgb(39, 140, 180) — 15.3% red, 54.9% green, 70.6% blue; the print equivalent is CMYK 55 / 16 / 0 / 29. Curious how these numbers work? Read our RGB color codes guide.

The color #278CB4 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 Glacial Blue Ice (#368BC1) and Cyan Cornflower Blue (#188BC2).

The recipe behind #278CB4 is rgb(39, 140, 180), with blue as the dominant ingredient. Accessibility-wise, black text works best on #278CB4: 5.5:1 contrast (passing WCAG AA) versus 3.8:1 for white. No one has named #278CB4 so far. Register a name for it and it becomes a permanent record.

#278CB4 color variations

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

#278CB4 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 #278CB4

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

Boston Blue color link
Boston Blue

#3B91B4

Blue Ivy color link
Blue Ivy

#3090C7

Scooter color link
Scooter

#308EA0

Bluish color link
Bluish

#2976BB

Sports Star color link
Sports Star

#3D85B8

UCLA Blue color link
UCLA Blue

#2774AE

Freefall color link
Freefall

#1D95C9

Lure color link
Lure

#2F77A9

Douban Blue color link
Douban Blue

#2496CD

Conversions between color systems and etc.

  • HEX#278CB4
  • RGB39, 140, 180
  • CMYK55, 16, 0, 29
  • CSSrgb(39, 140, 180)
  • HSL197°, 64%, 43%
  • HSL Precise197.021°, 64.384%, 42.941%
  • HSV197°, 78%, 71%
  • HSB197°, 78%, 71%
  • Normalized R (0.0–1.0)0.153
  • Normalized G (0.0–1.0)0.549
  • Normalized B (0.0–1.0)0.706
  • GLSLvec3(0.153, 0.549, 0.706)
  • GLSL with alphavec4(0.153, 0.549, 0.706, 1.000)
  • HLSL / Metalfloat3(0.153, 0.549, 0.706)
  • Percentage of Red in RGB15.3%
  • Percentage of Green in RGB54.9%
  • Percentage of Blue in RGB70.6%
  • Color FamilyAzure
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID278CB4
  • DECIMAL ID2591924
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01