Information about #3F66CA color

#3F66CA color image

Basic facts about this digital color

#3F66CA falls into the Azure Color FamilyModerate Saturation, Light brightness. The mix behind it: rgb(63, 102, 202) — 24.7% red, 40% green, 79.2% blue; the print equivalent is CMYK 55 / 39 / 0 / 21. New to color codes? See our guide to RGB color codes.

A confidently colored azure, #3F66CA sits on the lighter side of the spectrum. 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 almost identical to Flat Medium Blue (#3A5FCD). Nearby in the Register you will also find Han Blue (#446CCF) and Savoy Blue (#4B61D1).

Technically, the mix leans on its blue channel (rgb(63, 102, 202)), which gives #3F66CA its character. On this background, white text reaches a 5.3:1 contrast ratio (passing WCAG AA); black stays at 4.0:1. No one has named #3F66CA so far. Register a name for it and it becomes a permanent record.

#3F66CA color variations

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

#3F66CA 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 #3F66CA

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

Han Blue color link
Han Blue

#446CCF

Savoy Blue color link
Savoy Blue

#4B61D1

Skydiver color link
Skydiver

#4677C8

True Blue color link
True Blue

#2D68C4

Onetta Blue color link
Onetta Blue

#4070B8

Kasper Blue color link
Kasper Blue

#4072B7

Mariner color link
Mariner

#286ACD

Quantum color link
Quantum

#4A6CB4

Warm Blue color link
Warm Blue

#4B57DB

Conversions between color systems and etc.

  • HEX#3F66CA
  • RGB63, 102, 202
  • CMYK55, 39, 0, 21
  • CSSrgb(63, 102, 202)
  • HSL223°, 57%, 52%
  • HSL Precise223.165°, 56.735%, 51.961%
  • HSV223°, 69%, 79%
  • HSB223°, 69%, 79%
  • Normalized R (0.0–1.0)0.247
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.792
  • GLSLvec3(0.247, 0.400, 0.792)
  • GLSL with alphavec4(0.247, 0.400, 0.792, 1.000)
  • HLSL / Metalfloat3(0.247, 0.400, 0.792)
  • Percentage of Red in RGB24.7%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB79.2%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID3F66CA
  • DECIMAL ID4155082
  • Name LengthThis color has no name
  • Seen by search & AI crawlers19 times
  • Counting from2025-01-01