Information about #173A39 color

#173A39 color image

Basic facts about this digital color

The digital color #173A39 is classified in the Register under the Cyan Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(23, 58, 57) (9% red, 22.7% green, 22.4% blue), or CMYK 14 / 0 / 0 / 77 for print. New to color codes? See our guide to RGB color codes.

#173A39 is a confidently colored water-like cyan 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 almost identical to Nordic (#1D393C). Nearby in the Register you will also find Stokesian 13 (#164238) and Goryeo Storeroom (#203838).

The recipe behind #173A39 is rgb(23, 58, 57), with green as the dominant ingredient. If you plan to put text on a #173A39 background, choose white — the contrast ratio is 12.3:1 (passing WCAG AAA), while black manages only 1.7:1. On paper it relies strongly on black ink (K:77), so proof dark layouts before a large print run. #173A39 has no official name yet. If this shade means something to you, you can be the one to name it.

#173A39 color variations

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

#173A39 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 #173A39

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

Conversions between color systems and etc.

  • HEX#173A39
  • RGB23, 58, 57
  • CMYK14, 0, 0, 77
  • CSSrgb(23, 58, 57)
  • HSL178°, 43%, 16%
  • HSL Precise178.286°, 43.21%, 15.882%
  • HSV178°, 60%, 23%
  • HSB178°, 60%, 23%
  • Normalized R (0.0–1.0)0.090
  • Normalized G (0.0–1.0)0.227
  • Normalized B (0.0–1.0)0.224
  • GLSLvec3(0.090, 0.227, 0.224)
  • GLSL with alphavec4(0.090, 0.227, 0.224, 1.000)
  • HLSL / Metalfloat3(0.090, 0.227, 0.224)
  • Percentage of Red in RGB9%
  • Percentage of Green in RGB22.7%
  • Percentage of Blue in RGB22.4%
  • Color FamilyCyan
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID173A39
  • DECIMAL ID1522233
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01