Information about #1B51A1 color
Basic facts about this digital color
A energetic, saturated steel-blue azure, #1B51A1 holds a balanced mid-tone. Designers typically reach for tones like this for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is just a few steps away from Jayce Blue (#234E9B). Its next-closest registered neighbors are Fun Blue (#1959A8) and Tory Blue (#1450AA).
In RGB terms — rgb(27, 81, 161) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #1B51A1: 7.7:1 contrast (passing WCAG AAA) versus 2.7:1 for black. Out of 16,777,216 possible colors, #1B51A1 is still unnamed — it can be claimed and named in The Official Register of Color Names.
#1B51A1 color variations
View this color variations of tints, shades, tones and hues.
#1B51A1 color tints
Tints look brighter, pastel, and less intense.
#1B51A1 color shades
Shades look darker, richer, and more solid.
#1B51A1 color tones
Tones looks more sophisticated and complex than base colors.
#1B51A1 color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#1B51A1 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 #1B51A1 color
View adjacent and very similar colors.
Nearest named colors to #1B51A1
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#234E9B
#1959A8
#1450AA
#16489B
#224C98
#28589C
#2B4F9C
#2D569B
#26619C
#1E488F
#284F8F
#26538D
#1B51A1 color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#1B51A1
- RGB27, 81, 161
- CMYK53, 31, 0, 37
- CSSrgb(27, 81, 161)
- HSL216°, 71%, 37%
- HSL Precise215.821°, 71.277%, 36.863%
- HSV216°, 83%, 63%
- HSB216°, 83%, 63%
- Normalized R (0.0–1.0)0.106
- Normalized G (0.0–1.0)0.318
- Normalized B (0.0–1.0)0.631
- GLSLvec3(0.106, 0.318, 0.631)
- GLSL with alphavec4(0.106, 0.318, 0.631, 1.000)
- HLSL / Metalfloat3(0.106, 0.318, 0.631)
- Percentage of Red in RGB10.6%
- Percentage of Green in RGB31.8%
- Percentage of Blue in RGB63.1%
- Color FamilyAzure
- Saturation FamilyHigh Saturation
- Lightness FamilyNeutral
- HEX ID1B51A1
- DECIMAL ID1790369
- Name LengthThis color has no name
- Seen by search & AI crawlers15 times
- Counting from2025-01-01
