Information about #378B9A color

#378B9A color image

Basic facts about this digital color

The digital color #378B9A is classified in the Register under the Cyan Color Family, with Moderate Saturation and Light brightness. In numbers: rgb(55, 139, 154) (21.6% red, 54.5% green, 60.4% blue), or CMYK 39 / 6 / 0 / 40 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #378B9A reads as a clearly saturated water-like cyan and carries an easy, daylight feel. Expect to see shades like this in balanced palettes where no single element should shout. In The Official Register of Color Names it is practically indistinguishable from Retreat (#39909B). Slightly further away sit Scooter (#308EA0) and Dirty Blue (#3F829D).

In RGB terms — rgb(55, 139, 154) — the blue channel does the heavy lifting here. On this background, black text reaches a 5.3:1 contrast ratio (passing WCAG AA); white stays at 3.9:1. Out of 16,777,216 possible colors, #378B9A is still unnamed — it can be claimed and named in The Official Register of Color Names.

#378B9A color variations

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

#378B9A 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 #378B9A

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

Retreat color link
Retreat

#39909B

Scooter color link
Scooter

#308EA0

Dirty Blue color link
Dirty Blue

#3F829D

Blue Chill color link
Blue Chill

#408F90

Waterfront color link
Waterfront

#3E7F9D

Sea color link
Sea

#3C9992

Hippie Blue color link
Hippie Blue

#49889A

Wot Eva color link
Wot Eva

#4495A4

Celeritas color link
Celeritas

#299792

Java color link
Java

#259797

Endorphin color link
Endorphin

#4190AD

Landmark color link
Landmark

#3E9889

Conversions between color systems and etc.

  • HEX#378B9A
  • RGB55, 139, 154
  • CMYK39, 6, 0, 40
  • CSSrgb(55, 139, 154)
  • HSL189°, 47%, 41%
  • HSL Precise189.091°, 47.368%, 40.98%
  • HSV189°, 64%, 60%
  • HSB189°, 64%, 60%
  • Normalized R (0.0–1.0)0.216
  • Normalized G (0.0–1.0)0.545
  • Normalized B (0.0–1.0)0.604
  • GLSLvec3(0.216, 0.545, 0.604)
  • GLSL with alphavec4(0.216, 0.545, 0.604, 1.000)
  • HLSL / Metalfloat3(0.216, 0.545, 0.604)
  • Percentage of Red in RGB21.6%
  • Percentage of Green in RGB54.5%
  • Percentage of Blue in RGB60.4%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID378B9A
  • DECIMAL ID3640218
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01