Information about #2551EF color

#2551EF color image

Basic facts about this digital color

In the Register's classification, #2551EF belongs to the Blue Color Family, featuring Full Saturation and Light brightness. The mix behind it: rgb(37, 81, 239) — 14.5% red, 31.8% green, 93.7% blue; the print equivalent is CMYK 79 / 62 / 0 / 6. Curious how these numbers work? Read our RGB color codes guide.

#2551EF is a maximally vivid blue that feels open and friendly. It is a natural fit for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is a near neighbor of Azul (#1D5DEC). Its next-closest registered neighbors are Blue Orchid (#1F45FC) and Atul Azul (#124AEC).

Technically, the mix leans on its blue channel (rgb(37, 81, 239)), which gives #2551EF its character. If you plan to put text on a #2551EF background, choose white — the contrast ratio is 6.0:1 (passing WCAG AA), while black manages only 3.5:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#2551EF color variations

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

#2551EF 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 #2551EF

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

Blue Orchid color link
Blue Orchid

#1F45FC

Atul Azul color link
Atul Azul

#124AEC

Royal Blue color link
Royal Blue

#2B60DE

Google Blue color link
Google Blue

#3369E8

Nox color link
Nox

#404DFF

Blue Flyer color link
Blue Flyer

#2233FB

Bluetiful color link
Bluetiful

#3C69E7

Conversions between color systems and etc.

  • HEX#2551EF
  • RGB37, 81, 239
  • CMYK79, 62, 0, 6
  • CSSrgb(37, 81, 239)
  • HSL227°, 86%, 54%
  • HSL Precise226.931°, 86.325%, 54.118%
  • HSV227°, 85%, 94%
  • HSB227°, 85%, 94%
  • Normalized R (0.0–1.0)0.145
  • Normalized G (0.0–1.0)0.318
  • Normalized B (0.0–1.0)0.937
  • GLSLvec3(0.145, 0.318, 0.937)
  • GLSL with alphavec4(0.145, 0.318, 0.937, 1.000)
  • HLSL / Metalfloat3(0.145, 0.318, 0.937)
  • Percentage of Red in RGB14.5%
  • Percentage of Green in RGB31.8%
  • Percentage of Blue in RGB93.7%
  • Color FamilyBlue
  • Saturation FamilyFull Saturation
  • Lightness FamilyLight
  • HEX ID2551EF
  • DECIMAL ID2445807
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01