Information about #303E4B color

#303E4B color image

Basic facts about this digital color

#303E4B falls into the Azure Color Family — Low Saturation, Dark brightness. The mix behind it: rgb(48, 62, 75) — 18.8% red, 24.3% green, 29.4% blue; the print equivalent is CMYK 11 / 5 / 0 / 71. Curious how these numbers work? Read our RGB color codes guide.

#303E4B presents itself as a calm, restrained steel-blue azure — one that leans clearly toward the dark side. It is a natural fit for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Big Stone (#334046). Its next-closest registered neighbors are Cloud Burst (#353E4F) and Gotham (#303B44).

The recipe behind #303E4B is rgb(48, 62, 75), with blue as the dominant ingredient. Accessibility-wise, white text works best on #303E4B: 11.0:1 contrast (passing WCAG AAA) versus 1.9:1 for black. On paper it relies strongly on black ink (K:71), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #303E4B is still unnamed — it can be claimed and named in The Official Register of Color Names.

#303E4B color variations

View this color variations of tints, shades, tones and hues.

#303E4B 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.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

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.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #303E4B

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Big Stone color link
Big Stone

#334046

Cloud Burst color link
Cloud Burst

#353E4F

Gotham color link
Gotham

#303B44

Avalanche color link
Avalanche

#354152

Madison color link
Madison

#2D3C54

Warrior color link
Warrior

#2D3B42

Charcoal color link
Charcoal

#36454F

Mirage color link
Mirage

#373F43

Ares blue color link
Ares blue

#2D4255

Firefly color link
Firefly

#314643

#303E4B color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#303E4B
  • RGB48, 62, 75
  • CMYK11, 5, 0, 71
  • CSSrgb(48, 62, 75)
  • HSL209°, 22%, 24%
  • HSL Precise208.889°, 21.951%, 24.118%
  • HSV209°, 36%, 29%
  • HSB209°, 36%, 29%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.243
  • Normalized B (0.0–1.0)0.294
  • GLSLvec3(0.188, 0.243, 0.294)
  • GLSL with alphavec4(0.188, 0.243, 0.294, 1.000)
  • HLSL / Metalfloat3(0.188, 0.243, 0.294)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB24.3%
  • Percentage of Blue in RGB29.4%
  • Color Family (Hue)Azure
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID303E4B
  • DECIMAL ID3161675
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01