Information about #1B2B3C color

#1B2B3C color image

Basic facts about this digital color

The digital color #1B2B3C is classified in the Register under the Azure Color Family, with Mild Saturation and Dark brightness. Its exact recipe is rgb(27, 43, 60) — 10.6% red, 16.9% green, 23.5% blue — and for print it converts to CMYK 13 / 7 / 0 / 76. Curious how these numbers work? Read our RGB color codes guide.

#1B2B3C presents itself as a softly balanced steel-blue azure — one that carries a shadowy depth. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Yankees Blue (#1C2841). Nearby in the Register you will also find Blue Night (#1F263B) and Midnight Express (#21263A).

In RGB terms — rgb(27, 43, 60) — the blue channel does the heavy lifting here. If you plan to put text on a #1B2B3C background, choose white — the contrast ratio is 14.4:1 (passing WCAG AAA), while black manages only 1.5:1. On paper it relies strongly on black ink (K:76), so proof dark layouts before a large print run. #1B2B3C has no official name yet. If this shade means something to you, you can be the one to name it.

#1B2B3C color variations

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

#1B2B3C 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 #1B2B3C

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

Yankees Blue color link
Yankees Blue

#1C2841

Blue Night color link
Blue Night

#1F263B

Billabong color link
Billabong

#173141

Allegro color link
Allegro

#242E3B

Dark Knight color link
Dark Knight

#232D36

Crescendo color link
Crescendo

#222F44

Ebony Clay color link
Ebony Clay

#26283B

Tornado color link
Tornado

#272D3C

Surfs Up color link
Surfs Up

#1F2142

Nite Life color link
Nite Life

#1D2134

Conversions between color systems and etc.

  • HEX#1B2B3C
  • RGB27, 43, 60
  • CMYK13, 7, 0, 76
  • CSSrgb(27, 43, 60)
  • HSL211°, 38%, 17%
  • HSL Precise210.909°, 37.931%, 17.059%
  • HSV211°, 55%, 24%
  • HSB211°, 55%, 24%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.169
  • Normalized B (0.0–1.0)0.235
  • GLSLvec3(0.106, 0.169, 0.235)
  • GLSL with alphavec4(0.106, 0.169, 0.235, 1.000)
  • HLSL / Metalfloat3(0.106, 0.169, 0.235)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB16.9%
  • Percentage of Blue in RGB23.5%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID1B2B3C
  • DECIMAL ID1780540
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01