Information about #303C4F color

#303C4F color image

Basic facts about this digital color

In the Register's classification, #303C4F belongs to the Azure Color Family, featuring Low Saturation and Dark brightness. The mix behind it: rgb(48, 60, 79) — 18.8% red, 23.5% green, 31% blue; the print equivalent is CMYK 12 / 7 / 0 / 69. New to color codes? See our guide to RGB color codes.

#303C4F is a calm, restrained azure 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 a hair away from Cloud Burst (#353E4F). Its next-closest registered neighbors are Madison (#2D3C54) and Avalanche (#354152).

Technically, the mix leans on its blue channel (rgb(48, 60, 79)), which gives #303C4F its character. If you plan to put text on a #303C4F background, choose white — the contrast ratio is 11.1:1 (passing WCAG AAA), while black manages only 1.9:1. For print, note the heavy black component (K:69) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#303C4F color variations

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

#303C4F 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 #303C4F

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

Cloud Burst color link
Cloud Burst

#353E4F

Madison color link
Madison

#2D3C54

Avalanche color link
Avalanche

#354152

Vintage Blue color link
Vintage Blue

#303D57

Galactica color link
Galactica

#303655

Sputnik color link
Sputnik

#373E54

Ares blue color link
Ares blue

#2D4255

Vintage Navy color link
Vintage Navy

#2A344D

Midnight Oil color link
Midnight Oil

#283854

Big Stone color link
Big Stone

#334046

Conversions between color systems and etc.

  • HEX#303C4F
  • RGB48, 60, 79
  • CMYK12, 7, 0, 69
  • CSSrgb(48, 60, 79)
  • HSL217°, 24%, 25%
  • HSL Precise216.774°, 24.409%, 24.902%
  • HSV217°, 39%, 31%
  • HSB217°, 39%, 31%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.235
  • Normalized B (0.0–1.0)0.310
  • GLSLvec3(0.188, 0.235, 0.310)
  • GLSL with alphavec4(0.188, 0.235, 0.310, 1.000)
  • HLSL / Metalfloat3(0.188, 0.235, 0.310)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB23.5%
  • Percentage of Blue in RGB31%
  • Color FamilyAzure
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID303C4F
  • DECIMAL ID3161167
  • Name LengthThis color has no name
  • Seen by search & AI crawlers24 times
  • Counting from2025-01-01