Information about #2B3138 color

#2B3138 color image

Basic facts about this digital color

In the Register's classification, #2B3138 belongs to the Azure Color Family, featuring Low Saturation and Dark brightness. The mix behind it: rgb(43, 49, 56) — 16.9% red, 19.2% green, 22% blue; the print equivalent is CMYK 5 / 3 / 0 / 78. Curious how these numbers work? Read our RGB color codes guide.

The color #2B3138 reads as a gently muted sky-leaning azure and carries a shadowy depth. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Gunmetal (#2A3439). Nearby in the Register you will also find Traccia (#2A3335) and Double Tuna (#2F3237).

The recipe behind #2B3138 is rgb(43, 49, 56), with blue as the dominant ingredient. If you plan to put text on a #2B3138 background, choose white — the contrast ratio is 13.1:1 (passing WCAG AAA), while black manages only 1.6:1. For print, note the heavy black component (K:78) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #2B3138 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#2B3138 color variations

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

#2B3138 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 #2B3138

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

Gunmetal color link
Gunmetal

#2A3439

Traccia color link
Traccia

#2A3335

Double Tuna color link
Double Tuna

#2F3237

Crater Smoke color link
Crater Smoke

#2F2E3A

Black Rock color link
Black Rock

#2C2D3C

Iron Storage color link
Iron Storage

#2B3736

Cod Grey color link
Cod Grey

#2D3032

Gumboot color link
Gumboot

#313337

Foundry color link
Foundry

#2C2E32

Tornado color link
Tornado

#272D3C

Grey Friars color link
Grey Friars

#313436

Blueprint color link
Blueprint

#2A313F

#2B3138 color backgrounds & wallpapers

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

Conversions between color systems and etc.

  • HEX#2B3138
  • RGB43, 49, 56
  • CMYK5, 3, 0, 78
  • CSSrgb(43, 49, 56)
  • HSL212°, 13%, 19%
  • HSL Precise212.308°, 13.131%, 19.412%
  • HSV212°, 23%, 22%
  • HSB212°, 23%, 22%
  • Normalized R (0.0–1.0)0.169
  • Normalized G (0.0–1.0)0.192
  • Normalized B (0.0–1.0)0.220
  • GLSLvec3(0.169, 0.192, 0.220)
  • GLSL with alphavec4(0.169, 0.192, 0.220, 1.000)
  • HLSL / Metalfloat3(0.169, 0.192, 0.220)
  • Percentage of Red in RGB16.9%
  • Percentage of Green in RGB19.2%
  • Percentage of Blue in RGB22%
  • Color Family (Hue)Azure
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID2B3138
  • DECIMAL ID2830648
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01