Information about #378DA4 color

#378DA4 color image

Basic facts about this digital color

The digital color #378DA4 is classified in the Register under the Cyan Color Family, with Moderate Saturation and Light brightness. Its exact recipe is rgb(55, 141, 164) — 21.6% red, 55.3% green, 64.3% blue — and for print it converts to CMYK 43 / 9 / 0 / 36. New to color codes? See our guide to RGB color codes.

#378DA4 presents itself as a clearly saturated aqua cyan — one that feels open and friendly. In practice it works well for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Scooter (#308EA0). Its next-closest registered neighbors are Retreat (#39909B) and Endorphin (#4190AD).

Technically, the mix leans on its blue channel (rgb(55, 141, 164)), which gives #378DA4 its character. If you plan to put text on a #378DA4 background, choose black — the contrast ratio is 5.5:1 (passing WCAG AA), while white manages only 3.8:1. No one has named #378DA4 so far. Register a name for it and it becomes a permanent record.

#378DA4 color variations

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

#378DA4 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 #378DA4

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

Scooter color link
Scooter

#308EA0

Retreat color link
Retreat

#39909B

Endorphin color link
Endorphin

#4190AD

Wot Eva color link
Wot Eva

#4495A4

Dirty Blue color link
Dirty Blue

#3F829D

Boston Blue color link
Boston Blue

#3B91B4

Waterfront color link
Waterfront

#3E7F9D

Hippie Blue color link
Hippie Blue

#49889A

Blue Chill color link
Blue Chill

#408F90

Sea color link
Sea

#3C9992

Conversions between color systems and etc.

  • HEX#378DA4
  • RGB55, 141, 164
  • CMYK43, 9, 0, 36
  • CSSrgb(55, 141, 164)
  • HSL193°, 50%, 43%
  • HSL Precise192.661°, 49.772%, 42.941%
  • HSV193°, 66%, 64%
  • HSB193°, 66%, 64%
  • Normalized R (0.0–1.0)0.216
  • Normalized G (0.0–1.0)0.553
  • Normalized B (0.0–1.0)0.643
  • GLSLvec3(0.216, 0.553, 0.643)
  • GLSL with alphavec4(0.216, 0.553, 0.643, 1.000)
  • HLSL / Metalfloat3(0.216, 0.553, 0.643)
  • Percentage of Red in RGB21.6%
  • Percentage of Green in RGB55.3%
  • Percentage of Blue in RGB64.3%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID378DA4
  • DECIMAL ID3640740
  • Name LengthThis color has no name
  • Seen by search & AI crawlers18 times
  • Counting from2025-01-01