Information about Penn Blue color
Basic facts about this digital color
#011F5B presents itself as a pure, full-strength sky-leaning 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 Norway Blue (#00205B). Its next-closest registered neighbors are Deep Cobalt Blue (#002159) and Deep Sapphire Blue (#001659).
The recipe behind #011F5B is rgb(1, 31, 91), with blue as the dominant ingredient. If you plan to put text on a #011F5B background, choose white — the contrast ratio is 15.6:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:64), so proof dark layouts before a large print run. This precise shade carries the officially registered name "Penn Blue" in the Register.
Penn Blue color variations
View this color variations of tints, shades, tones and hues.
Penn Blue color tints
Tints look brighter, pastel, and less intense.
Penn Blue color shades
Shades look darker, richer, and more solid.
Penn Blue color tones
Tones looks more sophisticated and complex than base colors.
Penn Blue color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
Penn Blue 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 Penn Blue color
View adjacent and very similar colors.
Nearest named colors to Penn Blue
The closest officially registered color names in the Register, ordered by similarity.
#00205B
#002159
#001659
#092256
#051657
#001355
#0A2351
#012169
#002D59
#042069
#072C5E
#032B52
Penn Blue color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#011F5B
- RGB1, 31, 91
- CMYK35, 24, 0, 64
- CSSrgb(1, 31, 91)
- HSL220°, 98%, 18%
- HSL Precise220°, 97.826%, 18.039%
- HSV220°, 99%, 36%
- HSB220°, 99%, 36%
- Normalized R (0.0–1.0)0.004
- Normalized G (0.0–1.0)0.122
- Normalized B (0.0–1.0)0.357
- GLSLvec3(0.004, 0.122, 0.357)
- GLSL with alphavec4(0.004, 0.122, 0.357, 1.000)
- HLSL / Metalfloat3(0.004, 0.122, 0.357)
- Percentage of Red in RGB0.4%
- Percentage of Green in RGB12.2%
- Percentage of Blue in RGB35.7%
- Color FamilyAzure
- Saturation FamilyFull Saturation
- Lightness FamilyDark
- HEX ID011F5B
- DECIMAL ID73563
- Name Length9
- This page visited11 times
- Counting from2025-01-01
