Information about #2A3739 color

#2A3739 color image

Basic facts about this digital color

The digital color #2A3739 is classified in the Register under the Cyan Color Family, with Low Saturation and Dark brightness. Its exact recipe is rgb(42, 55, 57) — 16.5% red, 21.6% green, 22.4% blue — and for print it converts to CMYK 6 / 1 / 0 / 78. New to color codes? See our guide to RGB color codes.

#2A3739 presents itself as a calm, restrained cyan — one that carries a shadowy depth. In practice it works well for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Gunmetal (#2A3439). Nearby in the Register you will also find Iron Storage (#2B3736) and Traccia (#2A3335).

Technically, the mix leans on its blue channel (rgb(42, 55, 57)), which gives #2A3739 its character. If you plan to put text on a #2A3739 background, choose white — the contrast ratio is 12.3:1 (passing WCAG AAA), while black manages only 1.7:1. For print, note the heavy black component (K:78) — ink coverage matters with tones this deep. #2A3739 has no official name yet. If this shade means something to you, you can be the one to name it.

#2A3739 color variations

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

#2A3739 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 #2A3739

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

Iron Storage color link
Iron Storage

#2B3736

Traccia color link
Traccia

#2A3335

Double Tuna color link
Double Tuna

#2F3237

Mosaic color link
Mosaic

#293741

Grey Friars color link
Grey Friars

#313436

Gumboot color link
Gumboot

#313337

Blueprint color link
Blueprint

#2A313F

Raglan color link
Raglan

#293331

Tao Grey color link
Tao Grey

#323436

Earthsong color link
Earthsong

#2A3E33

Conversions between color systems and etc.

  • HEX#2A3739
  • RGB42, 55, 57
  • CMYK6, 1, 0, 78
  • CSSrgb(42, 55, 57)
  • HSL188°, 15%, 19%
  • HSL Precise188°, 15.152%, 19.412%
  • HSV188°, 26%, 22%
  • HSB188°, 26%, 22%
  • Normalized R (0.0–1.0)0.165
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.224
  • GLSLvec3(0.165, 0.216, 0.224)
  • GLSL with alphavec4(0.165, 0.216, 0.224, 1.000)
  • HLSL / Metalfloat3(0.165, 0.216, 0.224)
  • Percentage of Red in RGB16.5%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB22.4%
  • Color FamilyCyan
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID2A3739
  • DECIMAL ID2766649
  • Name LengthThis color has no name
  • Seen by search & AI crawlers10 times
  • Counting from2025-01-01