Information about #309C99 color

#309C99 color image

Basic facts about this digital color

In the Register's classification, #309C99 belongs to the Cyan Color Family, featuring Moderate Saturation and Light brightness. The mix behind it: rgb(48, 156, 153) — 18.8% red, 61.2% green, 60% blue; the print equivalent is CMYK 42 / 0 / 1 / 39. Curious how these numbers work? Read our RGB color codes guide.

#309C99 is a clearly saturated water-like cyan that feels open and friendly. It is a natural fit for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is a near neighbor of Celeritas (#299792). Its next-closest registered neighbors are Java (#259797) and Sea (#3C9992).

In RGB terms — rgb(48, 156, 153) — the green channel does the heavy lifting here. If you plan to put text on a #309C99 background, choose black — the contrast ratio is 6.3:1 (passing WCAG AA), while white manages only 3.3:1. No one has named #309C99 so far. Register a name for it and it becomes a permanent record.

#309C99 color variations

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

#309C99 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 #309C99

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

Celeritas color link
Celeritas

#299792

Java color link
Java

#259797

Sea color link
Sea

#3C9992

Retreat color link
Retreat

#39909B

Scooter color link
Scooter

#308EA0

Zomp color link
Zomp

#39A78E

Gossamer color link
Gossamer

#399F86

Landmark color link
Landmark

#3E9889

Blue Chill color link
Blue Chill

#408F90

Keppel color link
Keppel

#3AB09E

Wot Eva color link
Wot Eva

#4495A4

#309C99 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#309C99
  • RGB48, 156, 153
  • CMYK42, 0, 1, 39
  • CSSrgb(48, 156, 153)
  • HSL178°, 53%, 40%
  • HSL Precise178.333°, 52.941%, 40%
  • HSV178°, 69%, 61%
  • HSB178°, 69%, 61%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.612
  • Normalized B (0.0–1.0)0.600
  • GLSLvec3(0.188, 0.612, 0.600)
  • GLSL with alphavec4(0.188, 0.612, 0.600, 1.000)
  • HLSL / Metalfloat3(0.188, 0.612, 0.600)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB61.2%
  • Percentage of Blue in RGB60%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID309C99
  • DECIMAL ID3185817
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01