Information about #173A59 color

#173A59 color image

Basic facts about this digital color

The digital color #173A59 is classified in the Register under the Azure Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(23, 58, 89) (9% red, 22.7% green, 34.9% blue), or CMYK 26 / 12 / 0 / 65 for print. Curious how these numbers work? Read our RGB color codes guide.

#173A59 is a pleasantly vivid sky-leaning azure 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 almost identical to Cello (#1E385B). Nearby in the Register you will also find Nationalist Blue (#174358) and Regal Blue (#203F58).

Technically, the mix leans on its blue channel (rgb(23, 58, 89)), which gives #173A59 its character. If you plan to put text on a #173A59 background, choose white — the contrast ratio is 11.8:1 (passing WCAG AAA), while black manages only 1.8:1. For print, note the heavy black component (K:65) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #173A59 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#173A59 color variations

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

#173A59 color tints

Tints look brighter, pastel, and less intense.
#173A59

Color has no name
#276398

Color has no name
#418CCE

Color has no name
#80B2DE

Color has no name
#BFD8EE

Color has no name
White

#FFFFFF

#173A59 color shades

Shades look darker, richer, and more solid.
#173A59

Color has no name
#122E47

Color has no name
#0D2235

Color has no name
#091723

Color has no name
#040B11

Color has no name
Black

#000000

#173A59 color tones

Tones looks more sophisticated and complex than base colors.
#173A59

Color has no name
#254867

Color has no name
#365672

Color has no name
#4B647A

Color has no name
#63727E

Color has no name
Grey

#808080

#173A59 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#431759

Color has no name
#281759

Color has no name
#171F59

Color has no name
#173A59

Color has no name
#175459

Color has no name
#175943

Color has no name
#175928

Color has no name

#173A59 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
#173A59
#173A59

Color has no name

#593617
#593617

Color has no name

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
#173A59
#173A59

Color has no name

#595717
#595717

Color has no name

#591719
#591719

Color has no name

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
#171959
#171959

Color has no name

#173A59
#173A59

Color has no name

#175957
#175957

Color has no name

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
#173A59
#173A59

Color has no name

#59173A
#59173A

Color has no name

#3A5917
#3A5917

Color has no name

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#173A59
#173A59

Color has no name

#361759
#361759

Color has no name

#593617
#593617

Color has no name

#3A5917
#3A5917

Color has no name

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#173A59
#173A59

Color has no name

#571759
#571759

Color has no name

#593617
#593617

Color has no name

#195917
#195917

Color has no name

Nearest named colors to #173A59

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

Cello color link
Cello

#1E385B

Nationalist Blue color link
Nationalist Blue

#174358

Regal Blue color link
Regal Blue

#203F58

Biscay color link
Biscay

#1B3162

Into The Blue color link
Into The Blue

#193766

Delft Blue color link
Delft Blue

#1F305E

Shipshape color link
Shipshape

#21425F

Barometer color link
Barometer

#11394C

Dark Blue Grey color link
Dark Blue Grey

#1F3B4D

Astronaut Blue color link
Astronaut Blue

#214559

Apollo Blue color link
Apollo Blue

#163968

Dark Cobalt Blue color link
Dark Cobalt Blue

#273A59

#173A59 color backgrounds & wallpapers

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

#173A59 color image #173A59 color ORCN HD wallpaper 3840x2160 (Desktop)
#173A59 color image #173A59 color ORCN HD wallpaper 1170x2532 (Mobile)
#173A59 color image #173A59 color solid HD wallpaper 3840x2160 (Desktop)
#173A59 color image #173A59 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#173A59
  • RGB23, 58, 89
  • CMYK26, 12, 0, 65
  • CSSrgb(23, 58, 89)
  • HSL208°, 59%, 22%
  • HSL Precise208.182°, 58.929%, 21.961%
  • HSV208°, 74%, 35%
  • HSB208°, 74%, 35%
  • Normalized R (0.0–1.0)0.090
  • Normalized G (0.0–1.0)0.227
  • Normalized B (0.0–1.0)0.349
  • GLSLvec3(0.090, 0.227, 0.349)
  • GLSL with alphavec4(0.090, 0.227, 0.349, 1.000)
  • HLSL / Metalfloat3(0.090, 0.227, 0.349)
  • Percentage of Red in RGB9%
  • Percentage of Green in RGB22.7%
  • Percentage of Blue in RGB34.9%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID173A59
  • DECIMAL ID1522265
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01

Copyright © 2021-2026 The Official Register of Color Names. All Rights Reserved.