Information about #3751FD color

#3751FD color image

Basic facts about this digital color

The digital color #3751FD is classified in the Register under the Blue Color Family, with Full Saturation and Very Light brightness. Its exact recipe is rgb(55, 81, 253) — 21.6% red, 31.8% green, 99.2% blue — and for print it converts to CMYK 78 / 67 / 0 / 1. Curious how these numbers work? Read our RGB color codes guide.

#3751FD presents itself as a pure, full-strength classic blue — one that has a delicate, washed-out lightness. It is a natural fit for airy backdrops, whitespace-heavy designs and gentle gradients. In The Official Register of Color Names it is very close to Nox (#404DFF). Slightly further away sit Ultramarine Blue (#4166F5) and Neon Blue (#4666FF).

The recipe behind #3751FD is rgb(55, 81, 253), with blue as the dominant ingredient. On this background, white text reaches a 5.6:1 contrast ratio (passing WCAG AA); black stays at 3.8:1. Out of 16,777,216 possible colors, #3751FD is still unnamed — it can be claimed and named in The Official Register of Color Names.

#3751FD color variations

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

#3751FD 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 #3751FD

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

Nox color link
Nox

#404DFF

Neon Blue color link
Neon Blue

#4666FF

Blue Orchid color link
Blue Orchid

#1F45FC

Blue Ribbon color link
Blue Ribbon

#306EFF

Google Blue color link
Google Blue

#3369E8

Bluetiful color link
Bluetiful

#3C69E7

Azul color link
Azul

#1D5DEC

Royal Blue color link
Royal Blue

#2B60DE

Blue Flyer color link
Blue Flyer

#2233FB

Conversions between color systems and etc.

  • HEX#3751FD
  • RGB55, 81, 253
  • CMYK78, 67, 0, 1
  • CSSrgb(55, 81, 253)
  • HSL232°, 98%, 60%
  • HSL Precise232.121°, 98.02%, 60.392%
  • HSV232°, 78%, 99%
  • HSB232°, 78%, 99%
  • Normalized R (0.0–1.0)0.216
  • Normalized G (0.0–1.0)0.318
  • Normalized B (0.0–1.0)0.992
  • GLSLvec3(0.216, 0.318, 0.992)
  • GLSL with alphavec4(0.216, 0.318, 0.992, 1.000)
  • HLSL / Metalfloat3(0.216, 0.318, 0.992)
  • Percentage of Red in RGB21.6%
  • Percentage of Green in RGB31.8%
  • Percentage of Blue in RGB99.2%
  • Color FamilyBlue
  • Saturation FamilyFull Saturation
  • Lightness FamilyVery Light
  • HEX ID3751FD
  • DECIMAL ID3625469
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01