Information about #155FDD color

#155FDD color image

Basic facts about this digital color

#155FDD falls into the Azure Color Family — High Saturation, Light brightness. Its exact recipe is rgb(21, 95, 221) — 8.2% red, 37.3% green, 86.7% blue — and for print it converts to CMYK 78 / 49 / 0 / 13. Curious how these numbers work? Read our RGB color codes guide.

#155FDD is a energetic, saturated steel-blue azure that sits on the lighter side of the spectrum. It is a natural fit for logos, highlights and anything that needs to be noticed first. In The Official Register of Color Names it is very close to TechnoCore Blue (#0D59E9). Nearby in the Register you will also find Azul (#1D5DEC) and Flickr Blue (#216BD6).

In RGB terms — rgb(21, 95, 221) — the blue channel does the heavy lifting here. On this background, white text reaches a 5.7:1 contrast ratio (passing WCAG AA); black stays at 3.7:1. No one has named #155FDD so far. Register a name for it and it becomes a permanent record.

#155FDD color variations

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

#155FDD 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 #155FDD

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

Azul color link
Azul

#1D5DEC

Flickr Blue color link
Flickr Blue

#216BD6

Royal Blue color link
Royal Blue

#2B60DE

Tebiko color link
Tebiko

#0055E0

Blue Eyes color link
Blue Eyes

#1569C7

Celtic Blue color link
Celtic Blue

#246BCE

Atul Azul color link
Atul Azul

#124AEC

MetaCoin color link
MetaCoin

#0069EB

Mariner color link
Mariner

#286ACD

Conversions between color systems and etc.

  • HEX#155FDD
  • RGB21, 95, 221
  • CMYK78, 49, 0, 13
  • CSSrgb(21, 95, 221)
  • HSL218°, 83%, 47%
  • HSL Precise217.8°, 82.645%, 47.451%
  • HSV218°, 90%, 87%
  • HSB218°, 90%, 87%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.373
  • Normalized B (0.0–1.0)0.867
  • GLSLvec3(0.082, 0.373, 0.867)
  • GLSL with alphavec4(0.082, 0.373, 0.867, 1.000)
  • HLSL / Metalfloat3(0.082, 0.373, 0.867)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB37.3%
  • Percentage of Blue in RGB86.7%
  • Color FamilyAzure
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID155FDD
  • DECIMAL ID1400797
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01