Flat Blue Color

#3c73a8

Flat Blue is calm, cool-toned shade of cool cyan. It is better contrasting with white. This color combines beautifully with warm red, warm green or warm magenta

Inverse Color #c38c57
Complementary Color #a8713b
Color Shade: cool cyan (209.44° hue)
Color Temperature: cool
Lightness: 44.71% (better contrasting with white)
Flat Blue Color Sample
Flat Blue Color Sample

Better Alternatives To #3c73a8

If you're looking for a similar cool cyan shade, there are some better alternatives to Flat Blue Color. The Endeavour color for instance is a darker and a bit more vibrant option, however this color has a mid cyan bias. Consider a darker and more soft alternative called Blueprint (#35637c) for more calm effect. Try B'dazzled Blue as it also a bit more vibrant and energetic.

Complementary Palette

#a8713b is the best complementary color to Flat Blue. Warm red shades generally complement the cool cyan hues best as they are found on the opposite end of the color wheel. The most popular #3c73a8 complementary color is Brown Rust, as it offers maximum contrast and grab the viewer's attention.

Analogous Palette

The analogous palette of warm cyan, cool cyan, and cool blue colors offers a soft combination of similar cool shades. The analogous colors of San Marino are #3ba8a6 and #3b3ca8. Thus found on the left and right of #3c73a8 on the color wheel with a 30° gap. Consider matching Keppel and Governor Bay colors as they work well with Flat Blue.

Split-complementary Palette

The split-complementary Flat Blue palette consists of #a8a63b and #a83b3c colors. They can be found 30° apart on either side of the complementary color (#a8713b). Try Sushi and Medium Carmine colors in combination with #3c73a8, as they are not as contrasting as a complementary color, hence, giving more hue variety to make your design stand out.

Triadic Palette

The triadic palette of #3c73a8 offers a combination of cool yellow and warm magenta shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Flat Blue. Thus Sushi and Rouge giving maximum hue separation to use all three together.

Square Palette

The square color palette of Flat Blue contains three additional colors. Thus, complementary Brown Rust, Vivid Violet, and Apple split by 90° on the color wheel. #3c73a8 square combo is a palette of cool cyan, cool magenta, warm red and warm green shades that work together well.

Tetradic Palette

The tetradic palette is a bit more complex than the square and has more of a rectangle shape. Flat Blue tetradic combo consists of warm red complementary color (#a8713b) and two others. The Rouge is positioned 120° clockwise from the primary color and Ocean Green – 120° from the complementary Brown Rust. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #a83b72 and #3ba870.

Conversion Table

In a RGB color space, hex #3c73a8 is made of 17% red, 34% green and 49% blue. In a HSL mode Flat Blue has a hue angle of 209.44°, a saturation of 47.37% and a lightness of 44.71%. In a CMYK space (used in printing only), hex #3c73a8 is made of 42.35% cyan, 20.78% magenta, 0% yellow and 34.12% black ink.

HEX #3c73a8
RGB Decimal rgb(60,115,168)
RGB Percentage 17%, 34%, 49%
CMYK 42.35, 20.78, 0, 34.12
HSL hsl(209.44,47.37%,44.71%)
HSV (or HSB) hsv(209.44,64.29%,65.88%)
CIE-LAB lab(47.0391,-1.1464,-33.7712)
XYZ xyz(15.0621,16.0493,39.3498)
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