Cerulean Blue Color

#2a52be

Cerulean Blue is deep, cool-toned shade of blue cyan. It is better contrasting with white. This color combines beautifully with orange, mid green or red magenta

Inverse Color #d5ad41
Complementary Color #be9529
Color Shade: blue cyan (223.78° hue)
Color Temperature: cool
Lightness: 45.49% (better contrasting with white)
Cerulean Blue Color Sample
Cerulean Blue Color Sample

Better Alternatives To #2a52be

If you're looking for a similar blue cyan shade, there are some better alternatives to Cerulean Blue Color. The Mariner color for instance is a lighter and a bit more vibrant option, however this color has a cool cyan bias. Consider a darker and more soft alternative called Dover Straits (#326ab1) for more calm effect. Try Han Blue as it also a bit more faded and calm.

Complementary Palette

#be9529 is the best complementary color to Cerulean Blue. Orange shades generally complement the blue cyan hues best as they are found on the opposite end of the color wheel. The most popular #2a52be complementary color is Marigold, as it offers maximum contrast and grab the viewer's attention.

Analogous Palette

The analogous palette of mid cyan, blue cyan, and mid blue colors offers a soft combination of similar cool shades. The analogous colors of Cerulean Blue are #299cbe and #4b29be. Thus found on the left and right of #2a52be on the color wheel with a 30° gap. Consider matching Curious Blue and Purple Heart colors as they work well with Cerulean Blue.

Split-complementary Palette

The split-complementary Cerulean Blue palette consists of #9cbe29 and #be4b29 colors. They can be found 30° apart on either side of the complementary color (#be9529). Try Atlantis and Tuscany colors in combination with #2a52be, 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 #2a52be offers a combination of yellow green and red magenta shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Cerulean Blue. Thus Lima and Brick Red giving maximum hue separation to use all three together.

Square Palette

The square color palette of Cerulean Blue contains three additional colors. Thus, complementary Marigold, Medium Red Violet, and Jungle Green split by 90° on the color wheel. #2a52be square combo is a palette of blue cyan, mid magenta, orange and mid 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. Cerulean Blue tetradic combo consists of orange complementary color (#be9529) and two others. The Brick Red is positioned 120° clockwise from the primary color and Shamrock – 120° from the complementary Marigold. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #be2952 and #29be95.

Conversion Table

In a RGB color space, hex #2a52be is made of 13% red, 26% green and 61% blue. In a HSL mode Cerulean Blue has a hue angle of 223.78°, a saturation of 63.79% and a lightness of 45.49%. In a CMYK space (used in printing only), hex #2a52be is made of 58.04% cyan, 42.35% magenta, 0% yellow and 25.49% black ink.

HEX #2a52be
RGB Decimal rgb(42,82,190)
RGB Percentage 13%, 26%, 61%
CMYK 58.04, 42.35, 0, 25.49
HSL hsl(223.78,63.79%,45.49%)
HSV (or HSB) hsv(223.78,77.89%,74.51%)
CIE-LAB lab(38.2778,25.4072,-60.7111)
XYZ xyz(13.2664,10.2445,49.9934)
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