Information about #397EB3 color

#397EB3 color image

Basic facts about this digital color

The digital color #397EB3 is classified in the Register under the Azure Color Family, with Moderate Saturation and Light brightness. In numbers: rgb(57, 126, 179) (22.4% red, 49.4% green, 70.2% blue), or CMYK 48 / 21 / 0 / 30 for print. New to color codes? See our guide to RGB color codes.

The color #397EB3 reads as a clearly saturated sky-leaning azure and feels open and friendly. Designers typically reach for tones like this for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Sports Star (#3D85B8). Its next-closest registered neighbors are Steel Blue (#4682B4) and Kasper Blue (#4072B7).

Technically, the mix leans on its blue channel (rgb(57, 126, 179)), which gives #397EB3 its character. If you plan to put text on a #397EB3 background, choose black — the contrast ratio is 4.8:1 (passing WCAG AA), while white manages only 4.4:1. No one has named #397EB3 so far. Register a name for it and it becomes a permanent record.

#397EB3 color variations

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

#397EB3 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 #397EB3

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

Sports Star color link
Sports Star

#3D85B8

Steel Blue color link
Steel Blue

#4682B4

Kasper Blue color link
Kasper Blue

#4072B7

Primetime color link
Primetime

#3973A9

Lure color link
Lure

#2F77A9

Flat Blue color link
Flat Blue

#3C73A8

Onetta Blue color link
Onetta Blue

#4070B8

Cool Blue color link
Cool Blue

#4984B8

Boston Blue color link
Boston Blue

#3B91B4

Bluish color link
Bluish

#2976BB

Conversions between color systems and etc.

  • HEX#397EB3
  • RGB57, 126, 179
  • CMYK48, 21, 0, 30
  • CSSrgb(57, 126, 179)
  • HSL206°, 52%, 46%
  • HSL Precise206.066°, 51.695%, 46.275%
  • HSV206°, 68%, 70%
  • HSB206°, 68%, 70%
  • Normalized R (0.0–1.0)0.224
  • Normalized G (0.0–1.0)0.494
  • Normalized B (0.0–1.0)0.702
  • GLSLvec3(0.224, 0.494, 0.702)
  • GLSL with alphavec4(0.224, 0.494, 0.702, 1.000)
  • HLSL / Metalfloat3(0.224, 0.494, 0.702)
  • Percentage of Red in RGB22.4%
  • Percentage of Green in RGB49.4%
  • Percentage of Blue in RGB70.2%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID397EB3
  • DECIMAL ID3767987
  • Name LengthThis color has no name
  • This page visited0 times
  • Counting from2025-01-01