Information about #172A36 color

#172A36 color image

Basic facts about this digital color

In the Register's classification, #172A36 belongs to the Azure Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(23, 42, 54) (9% red, 16.5% green, 21.2% blue), or CMYK 12 / 5 / 0 / 79 for print. Curious how these numbers work? Read our RGB color codes guide.

A pleasantly vivid azure, #172A36 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 practically indistinguishable from Dark (#1B2431). Nearby in the Register you will also find Blue Night (#1F263B) and Magnum (#112331).

In RGB terms — rgb(23, 42, 54) — the blue channel does the heavy lifting here. If you plan to put text on a #172A36 background, choose white — the contrast ratio is 14.8:1 (passing WCAG AAA), while black manages only 1.4:1. On paper it relies strongly on black ink (K:79), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #172A36 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#172A36 color variations

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

#172A36 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 #172A36

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

Dark color link
Dark

#1B2431

Blue Night color link
Blue Night

#1F263B

Magnum color link
Magnum

#112331

Madagascar color link
Madagascar

#172E2C

Nite Life color link
Nite Life

#1D2134

Bledisloe color link
Bledisloe

#19282B

Yankees Blue color link
Yankees Blue

#1C2841

Dark Knight color link
Dark Knight

#232D36

Black Pearl color link
Black Pearl

#1E272C

Indian Ink color link
Indian Ink

#232732

Billabong color link
Billabong

#173141

Conversions between color systems and etc.

  • HEX#172A36
  • RGB23, 42, 54
  • CMYK12, 5, 0, 79
  • CSSrgb(23, 42, 54)
  • HSL203°, 40%, 15%
  • HSL Precise203.226°, 40.26%, 15.098%
  • HSV203°, 57%, 21%
  • HSB203°, 57%, 21%
  • Normalized R (0.0–1.0)0.090
  • Normalized G (0.0–1.0)0.165
  • Normalized B (0.0–1.0)0.212
  • GLSLvec3(0.090, 0.165, 0.212)
  • GLSL with alphavec4(0.090, 0.165, 0.212, 1.000)
  • HLSL / Metalfloat3(0.090, 0.165, 0.212)
  • Percentage of Red in RGB9%
  • Percentage of Green in RGB16.5%
  • Percentage of Blue in RGB21.2%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID172A36
  • DECIMAL ID1518134
  • Name LengthThis color has no name
  • Seen by search & AI crawlers9 times
  • Counting from2025-01-01