Cerulean Color


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

Inverse Color #fd5b2c
Complementary Color #d33001
Color Shade: mid cyan (193.49° hue)
Color Temperature: cool
Lightness: 41.76% (better contrasting with white)
Cerulean Color Sample
Cerulean Color Sample

Better Alternatives To #02a4d3

If you're looking for a similar mid cyan shade, there are some better alternatives to Cerulean Color. The Blue Danube color for instance is a darker and a bit more vibrant option, however this color has a warm cyan bias. Consider a lighter and more saturated alternative called Pervenche (#0099ee) for more energetic effect. Try Tiny Bubbles as it also a bit more vibrant and energetic.

Complementary Palette

#d33001 is the best complementary color to Cerulean. Mid red shades generally complement the mid cyan hues best as they are found on the opposite end of the color wheel. The most popular #02a4d3 complementary color is Grenadier, as it offers maximum contrast and grab the viewer's attention.

Analogous Palette

The analogous palette of green cyan, mid cyan, and blue cyan colors offers a soft combination of similar cool shades. The analogous colors of Cerulean are #01d399 and #013bd3. Thus found on the left and right of #02a4d3 on the color wheel with a 30° gap. Consider matching Caribbean Green and Science Blue colors as they work well with Cerulean.

Split-complementary Palette

The split-complementary Cerulean palette consists of #d39901 and #d3013b colors. They can be found 30° apart on either side of the complementary color (#d33001). Try Buddha Gold and Monza colors in combination with #02a4d3, 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 #02a4d3 offers a combination of mid yellow and mid magenta shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Cerulean. Thus Pistachio and Hollywood Cerise giving maximum hue separation to use all three together.

Square Palette

The square color palette of Cerulean contains three additional colors. Thus, complementary Grenadier, Electric Violet, and Harlequin split by 90° on the color wheel. #02a4d3 square combo is a palette of mid cyan, violet, mid red and yellow 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 tetradic combo consists of mid red complementary color (#d33001) and two others. The Hollywood Cerise is positioned 120° clockwise from the primary color and Malachite – 120° from the complementary Grenadier. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #d301a3 and #01d330.

Conversion Table

In a RGB color space, hex #02a4d3 is made of 1% red, 44% green and 56% blue. In a HSL mode Cerulean has a hue angle of 193.49°, a saturation of 98.12% and a lightness of 41.76%. In a CMYK space (used in printing only), hex #02a4d3 is made of 81.97% cyan, 18.44% magenta, 0% yellow and 17.25% black ink.

HEX #02a4d3
RGB Decimal rgb(2,164,211)
RGB Percentage 1%, 44%, 56%
CMYK 81.97, 18.44, 0, 17.25
HSL hsl(193.49,98.12%,41.76%)
HSV (or HSB) hsv(193.49,99.05%,82.75%)
CIE-LAB lab(62.7324,-18.7553,-33.8082)
XYZ xyz(25.0584,31.267,66.3424)