Information about #1B504B color

#1B504B color image

Basic facts about this digital color

#1B504B falls into the Cyan Color Family — Moderate Saturation, Dark brightness. The mix behind it: rgb(27, 80, 75) — 10.6% red, 31.4% green, 29.4% blue; the print equivalent is CMYK 21 / 0 / 2 / 69. New to color codes? See our guide to RGB color codes.

A confidently colored cyan, #1B504B leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Jackpot (#145346). Its next-closest registered neighbors are Beatnik (#1F4F54) and Push Play (#21584C).

Technically, the mix leans on its green channel (rgb(27, 80, 75)), which gives #1B504B its character. Accessibility-wise, white text works best on #1B504B: 9.1:1 contrast (passing WCAG AAA) versus 2.3:1 for black. For print, note the heavy black component (K:69) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #1B504B is still unnamed — it can be claimed and named in The Official Register of Color Names.

#1B504B color variations

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

#1B504B 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 #1B504B

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

Jackpot color link
Jackpot

#145346

Beatnik color link
Beatnik

#1F4F54

Push Play color link
Push Play

#21584C

Retro color link
Retro

#1B5256

Zydeco color link
Zydeco

#20483F

Tiber color link
Tiber

#184343

Cyprus color link
Cyprus

#0F4645

Dark Opal color link
Dark Opal

#275953

Conversions between color systems and etc.

  • HEX#1B504B
  • RGB27, 80, 75
  • CMYK21, 0, 2, 69
  • CSSrgb(27, 80, 75)
  • HSL174°, 50%, 21%
  • HSL Precise174.34°, 49.533%, 20.98%
  • HSV174°, 66%, 31%
  • HSB174°, 66%, 31%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.314
  • Normalized B (0.0–1.0)0.294
  • GLSLvec3(0.106, 0.314, 0.294)
  • GLSL with alphavec4(0.106, 0.314, 0.294, 1.000)
  • HLSL / Metalfloat3(0.106, 0.314, 0.294)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB31.4%
  • Percentage of Blue in RGB29.4%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID1B504B
  • DECIMAL ID1790027
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01