Information about #1B2B27 color

#1B2B27 color image

Basic facts about this digital color

In the Register's classification, #1B2B27 belongs to the Cyan Color Family, featuring Low Saturation and Dark brightness. The mix behind it: rgb(27, 43, 39) — 10.6% red, 16.9% green, 15.3% blue; the print equivalent is CMYK 6 / 0 / 2 / 83. Curious how these numbers work? Read our RGB color codes guide.

The color #1B2B27 reads as a calm, restrained water-like cyan and leans clearly toward the dark side. Expect to see shades like this in dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Kermadec (#1D2C2A). Its next-closest registered neighbors are Sentry (#1C2728) and Bledisloe (#19282B).

In RGB terms — rgb(27, 43, 39) — the green channel does the heavy lifting here. Accessibility-wise, white text works best on #1B2B27: 14.8:1 contrast (passing WCAG AAA) versus 1.4:1 for black. On paper it relies strongly on black ink (K:83), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #1B2B27 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#1B2B27 color variations

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

#1B2B27 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 #1B2B27

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

Kermadec color link
Kermadec

#1D2C2A

Sentry color link
Sentry

#1C2728

Bledisloe color link
Bledisloe

#19282B

Madagascar color link
Madagascar

#172E2C

Black Pearl color link
Black Pearl

#1E272C

Cardin Green color link
Cardin Green

#1B3427

Celtic color link
Celtic

#163222

Daytona color link
Daytona

#1E222C

Conversions between color systems and etc.

  • HEX#1B2B27
  • RGB27, 43, 39
  • CMYK6, 0, 2, 83
  • CSSrgb(27, 43, 39)
  • HSL165°, 23%, 14%
  • HSL Precise165°, 22.857%, 13.725%
  • HSV165°, 37%, 17%
  • HSB165°, 37%, 17%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.169
  • Normalized B (0.0–1.0)0.153
  • GLSLvec3(0.106, 0.169, 0.153)
  • GLSL with alphavec4(0.106, 0.169, 0.153, 1.000)
  • HLSL / Metalfloat3(0.106, 0.169, 0.153)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB16.9%
  • Percentage of Blue in RGB15.3%
  • Color FamilyCyan
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID1B2B27
  • DECIMAL ID1780519
  • Name LengthThis color has no name
  • Seen by search & AI crawlers8 times
  • Counting from2025-01-01