Information about #1B4644 color

#1B4644 color image

Basic facts about this digital color

#1B4644 falls into the Cyan Color Family — Moderate Saturation, Dark brightness. The mix behind it: rgb(27, 70, 68) — 10.6% red, 27.5% green, 26.7% blue; the print equivalent is CMYK 17 / 0 / 1 / 73. Curious how these numbers work? Read our RGB color codes guide.

#1B4644 presents itself as a confidently colored water-like cyan — one that carries a shadowy depth. It is a natural fit for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is a hair away from Tiber (#184343). Nearby in the Register you will also find Zydeco (#20483F) and Brunswick Green (#1B4D3E).

In RGB terms — rgb(27, 70, 68) — the green channel does the heavy lifting here. On this background, white text reaches a 10.5:1 contrast ratio (passing WCAG AAA); black stays at 2.0:1. On paper it relies strongly on black ink (K:73), so proof dark layouts before a large print run. No one has named #1B4644 so far. Register a name for it and it becomes a permanent record.

#1B4644 color variations

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

#1B4644 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 #1B4644

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

Tiber color link
Tiber

#184343

Zydeco color link
Zydeco

#20483F

MSU Green color link
MSU Green

#18453B

Tiki Tour color link
Tiki Tour

#234040

Cyprus color link
Cyprus

#0F4645

Stokesian 13 color link
Stokesian 13

#164238

Tarawera color link
Tarawera

#253C48

Jackpot color link
Jackpot

#145346

Conversions between color systems and etc.

  • HEX#1B4644
  • RGB27, 70, 68
  • CMYK17, 0, 1, 73
  • CSSrgb(27, 70, 68)
  • HSL177°, 44%, 19%
  • HSL Precise177.209°, 44.33%, 19.02%
  • HSV177°, 61%, 27%
  • HSB177°, 61%, 27%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.275
  • Normalized B (0.0–1.0)0.267
  • GLSLvec3(0.106, 0.275, 0.267)
  • GLSL with alphavec4(0.106, 0.275, 0.267, 1.000)
  • HLSL / Metalfloat3(0.106, 0.275, 0.267)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB27.5%
  • Percentage of Blue in RGB26.7%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID1B4644
  • DECIMAL ID1787460
  • Name LengthThis color has no name
  • Seen by search & AI crawlers306 times
  • Counting from2025-01-01