Information about #1B1B55 color
Basic facts about this digital color
The color #1B1B55 reads as a confidently colored deep-sea blue and 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 very close to OSS Blue (#1B2450). Nearby in the Register you will also find Tottenham Navy (#132257) and Jenniebear Blue (#111154).
The recipe behind #1B1B55 is rgb(27, 27, 85), with blue as the dominant ingredient. If you plan to put text on a #1B1B55 background, choose white — the contrast ratio is 15.7:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:67), so proof dark layouts before a large print run. #1B1B55 has no official name yet. If this shade means something to you, you can be the one to name it.
#1B1B55 color variations
View this color variations of tints, shades, tones and hues.
#1B1B55 color tints
Tints look brighter, pastel, and less intense.
#1B1B55 color shades
Shades look darker, richer, and more solid.
#1B1B55 color tones
Tones looks more sophisticated and complex than base colors.
#1B1B55 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#1B1B55 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 #1B1B55 color
View adjacent and very similar colors.
Nearest named colors to #1B1B55
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#1B2450
#132257
#111154
#1D2951
#1D1160
#13274F
#13264D
#191F45
#262857
#1B294B
#1F0954
#2A2551
#1B1B55 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#1B1B55
- RGB27, 27, 85
- CMYK23, 23, 0, 67
- CSSrgb(27, 27, 85)
- HSL240°, 52%, 22%
- HSL Precise240°, 51.786%, 21.961%
- HSV240°, 68%, 33%
- HSB240°, 68%, 33%
- Normalized R (0.0–1.0)0.106
- Normalized G (0.0–1.0)0.106
- Normalized B (0.0–1.0)0.333
- GLSLvec3(0.106, 0.106, 0.333)
- GLSL with alphavec4(0.106, 0.106, 0.333, 1.000)
- HLSL / Metalfloat3(0.106, 0.106, 0.333)
- Percentage of Red in RGB10.6%
- Percentage of Green in RGB10.6%
- Percentage of Blue in RGB33.3%
- Color FamilyBlue
- Saturation FamilyModerate Saturation
- Lightness FamilyDark
- HEX ID1B1B55
- DECIMAL ID1776469
- Name LengthThis color has no name
- Seen by search & AI crawlers18 times
- Counting from2025-01-01
