Information about #1B2D37 color
Basic facts about this digital color
#1B2D37 presents itself as a moderately toned steel-blue azure — one that stays on the darker end of the scale. In practice it works well for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is practically indistinguishable from Dark Knight (#232D36). Slightly further away sit Blue Night (#1F263B) and Midnight Express (#21263A).
The recipe behind #1B2D37 is rgb(27, 45, 55), with blue as the dominant ingredient. On this background, white text reaches a 14.2:1 contrast ratio (passing WCAG AAA); black stays at 1.5:1. For print, note the heavy black component (K:78) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #1B2D37 is still unnamed — it can be claimed and named in The Official Register of Color Names.
#1B2D37 color variations
View this color variations of tints, shades, tones and hues.
#1B2D37 color tints
Tints look brighter, pastel, and less intense.
#1B2D37 color shades
Shades look darker, richer, and more solid.
#1B2D37 color tones
Tones looks more sophisticated and complex than base colors.
#1B2D37 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#1B2D37 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 #1B2D37 color
View adjacent and very similar colors.
Nearest named colors to #1B2D37
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#232D36
#1F263B
#21263A
#242E3B
#1B2431
#232732
#1C2841
#173141
#172E2C
#203838
#1D2134
#26283B
#1B2D37 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#1B2D37
- RGB27, 45, 55
- CMYK11, 4, 0, 78
- CSSrgb(27, 45, 55)
- HSL201°, 34%, 16%
- HSL Precise201.429°, 34.146%, 16.078%
- HSV201°, 51%, 22%
- HSB201°, 51%, 22%
- Normalized R (0.0–1.0)0.106
- Normalized G (0.0–1.0)0.176
- Normalized B (0.0–1.0)0.216
- GLSLvec3(0.106, 0.176, 0.216)
- GLSL with alphavec4(0.106, 0.176, 0.216, 1.000)
- HLSL / Metalfloat3(0.106, 0.176, 0.216)
- Percentage of Red in RGB10.6%
- Percentage of Green in RGB17.6%
- Percentage of Blue in RGB21.6%
- Color FamilyAzure
- Saturation FamilyMild Saturation
- Lightness FamilyDark
- HEX ID1B2D37
- DECIMAL ID1781047
- Name LengthThis color has no name
- Seen by search & AI crawlers10 times
- Counting from2025-01-01
