Information about #172D3B color
Basic facts about this digital color
#172D3B presents itself as a clearly saturated steel-blue azure — one that leans clearly toward the dark side. 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 Billabong (#173141). Its next-closest registered neighbors are Yankees Blue (#1C2841) and Blue Night (#1F263B).
The recipe behind #172D3B is rgb(23, 45, 59), with blue as the dominant ingredient. If you plan to put text on a #172D3B background, choose white — the contrast ratio is 14.2:1 (passing WCAG AAA), while black manages only 1.5:1. For print, note the heavy black component (K:77) — ink coverage matters with tones this deep. No one has named #172D3B so far. Register a name for it and it becomes a permanent record.
#172D3B color variations
View this color variations of tints, shades, tones and hues.
#172D3B color tints
Tints look brighter, pastel, and less intense.
#172D3B color shades
Shades look darker, richer, and more solid.
#172D3B color tones
Tones looks more sophisticated and complex than base colors.
#172D3B color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#172D3B 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.
Split complementary
Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.
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.
Triadic
Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.
Tetradic
Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.
Square
Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.
Alternatives to #172D3B color
View adjacent and very similar colors.
Nearest named colors to #172D3B
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#173141
#1C2841
#1F263B
#21263A
#232D36
#242E3B
#202A44
#1D393C
#1B2431
#192C49
#222F44
#203838
#172D3B color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#172D3B
- RGB23, 45, 59
- CMYK14, 5, 0, 77
- CSSrgb(23, 45, 59)
- HSL203°, 44%, 16%
- HSL Precise203.333°, 43.902%, 16.078%
- HSV203°, 61%, 23%
- HSB203°, 61%, 23%
- Normalized R (0.0–1.0)0.090
- Normalized G (0.0–1.0)0.176
- Normalized B (0.0–1.0)0.231
- GLSLvec3(0.090, 0.176, 0.231)
- GLSL with alphavec4(0.090, 0.176, 0.231, 1.000)
- HLSL / Metalfloat3(0.090, 0.176, 0.231)
- Percentage of Red in RGB9%
- Percentage of Green in RGB17.6%
- Percentage of Blue in RGB23.1%
- Color FamilyAzure
- Saturation FamilyModerate Saturation
- Lightness FamilyDark
- HEX ID172D3B
- DECIMAL ID1518907
- Name LengthThis color has no name
- Seen by search & AI crawlers22 times
- Counting from2025-01-01
