Information about #306B78 color

#306B78 color image

Basic facts about this digital color

The digital color #306B78 is classified in the Register under the Cyan Color Family, with Moderate Saturation and Neutral brightness. Its exact recipe is rgb(48, 107, 120) — 18.8% red, 42% green, 47.1% blue — and for print it converts to CMYK 28 / 5 / 0 / 53. Curious how these numbers work? Read our RGB color codes guide.

A confidently colored cyan, #306B78 sits comfortably between light and dark. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a hair away from Boomtown (#346672). Nearby in the Register you will also find Muse (#2E696D) and Ming (#36747D).

In RGB terms — rgb(48, 107, 120) — the blue channel does the heavy lifting here. If you plan to put text on a #306B78 background, choose white — the contrast ratio is 6.0:1 (passing WCAG AA), while black manages only 3.5:1. #306B78 has no official name yet. If this shade means something to you, you can be the one to name it.

#306B78 color variations

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

#306B78 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 #306B78

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

Boomtown color link
Boomtown

#346672

Muse color link
Muse

#2E696D

Ming color link
Ming

#36747D

Myrtle Green color link
Myrtle Green

#317873

Vintage Teal color link
Vintage Teal

#3B7577

Atoll color link
Atoll

#2B797A

Blue Ashes color link
Blue Ashes

#3B5F78

Blumine color link
Blumine

#305C71

Matisse color link
Matisse

#365C7D

Elm color link
Elm

#297B76

Genoa color link
Genoa

#31796D

Conversions between color systems and etc.

  • HEX#306B78
  • RGB48, 107, 120
  • CMYK28, 5, 0, 53
  • CSSrgb(48, 107, 120)
  • HSL191°, 43%, 33%
  • HSL Precise190.833°, 42.857%, 32.941%
  • HSV191°, 60%, 47%
  • HSB191°, 60%, 47%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.420
  • Normalized B (0.0–1.0)0.471
  • GLSLvec3(0.188, 0.420, 0.471)
  • GLSL with alphavec4(0.188, 0.420, 0.471, 1.000)
  • HLSL / Metalfloat3(0.188, 0.420, 0.471)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB42%
  • Percentage of Blue in RGB47.1%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyNeutral
  • HEX ID306B78
  • DECIMAL ID3173240
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01