Information about #304155 color

#304155 color image

Basic facts about this digital color

The digital color #304155 is classified in the Register under the Azure Color Family, with Mild Saturation and Neutral brightness. In numbers: rgb(48, 65, 85) (18.8% red, 25.5% green, 33.3% blue), or CMYK 15 / 8 / 0 / 67 for print. New to color codes? See our guide to RGB color codes.

The color #304155 reads as a mildly saturated sky-leaning azure and sits comfortably between light and dark. Designers typically reach for tones like this for balanced palettes where no single element should shout. In The Official Register of Color Names it is practically indistinguishable from Ares blue (#2D4255). Nearby in the Register you will also find Charcoal Blue (#2D4256) and Vintage Blue (#303D57).

The recipe behind #304155 is rgb(48, 65, 85), with blue as the dominant ingredient. On this background, white text reaches a 10.4:1 contrast ratio (passing WCAG AAA); black stays at 2.0:1. For print, note the heavy black component (K:67) — 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.

#304155 color variations

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

#304155 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 #304155

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

Ares blue color link
Ares blue

#2D4255

Vintage Blue color link
Vintage Blue

#303D57

Avalanche color link
Avalanche

#354152

Madison color link
Madison

#2D3C54

Sputnik color link
Sputnik

#373E54

Cloud Burst color link
Cloud Burst

#353E4F

Charcoal color link
Charcoal

#36454F

Dark Azure color link
Dark Azure

#274059

Galactica color link
Galactica

#303655

Conversions between color systems and etc.

  • HEX#304155
  • RGB48, 65, 85
  • CMYK15, 8, 0, 67
  • CSSrgb(48, 65, 85)
  • HSL212°, 28%, 26%
  • HSL Precise212.432°, 27.82%, 26.078%
  • HSV212°, 44%, 33%
  • HSB212°, 44%, 33%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.255
  • Normalized B (0.0–1.0)0.333
  • GLSLvec3(0.188, 0.255, 0.333)
  • GLSL with alphavec4(0.188, 0.255, 0.333, 1.000)
  • HLSL / Metalfloat3(0.188, 0.255, 0.333)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB25.5%
  • Percentage of Blue in RGB33.3%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyNeutral
  • HEX ID304155
  • DECIMAL ID3162453
  • Name LengthThis color has no name
  • Seen by search & AI crawlers25 times
  • Counting from2025-01-01