Cerulean Blue

#2159C5

General Information about Cerulean Blue

The hex color #2159C5, commonly referred to as Cerulean Blue, is a vibrant and captivating shade residing in the blue color family. It is defined by its unique blend of cyan and blue hues, imparting a sense of calmness, serenity, and sophistication. In the RGB color model, Cerulean Blue consists of 13.9% red, 34.9% green, and 77.3% blue. It is often associated with feelings of trust, stability, and intelligence. This color is frequently used in various design applications, including branding, web design, and print materials, to evoke a sense of professionalism and reliability. Cerulean blue is a color that can easily catch attention. The color name is derived from the word cerulean, which refers to the color of the clear blue sky.

The hex color #2159C5, also known as Cerulean Blue, presents some accessibility considerations for web developers. Its relatively low luminance value means it requires careful attention to contrast ratios, especially when used for text or interactive elements. To meet WCAG guidelines, it's crucial to ensure a contrast ratio of at least 4.5:1 against body text and 3:1 against large text or UI components. Using a lighter background color is advisable to achieve sufficient contrast. Avoid pairing #2159C5 with dark grays or other similarly dark colors. Testing with accessibility tools and color contrast analyzers is essential to ensure readability and usability for individuals with visual impairments. Consider using color combinations that provide clear visual cues and enhance the overall user experience, making the content accessible to a wider audience.

Shades

Digital Color Formats

RGB
33 89 197
RGB33 89 197
Red
Green
Blue
HSL
219.51deg 71.3% 45.1%
219.5171.345.1HSL
Hue
Saturation
Lightness
HWB
219.51deg 12.94% 22.75%
219.5112.9422.75HWB
Hue
Whiteness
Blackness
hex#2159C5
rgb33 89 197
hsl219.51deg 71.3% 45.1%
cmyk83.25% 54.82% 0% 22.75%
hwb219.51deg 12.94% 22.75%
xyz-d650.14 0.11 0.54
oklch0.4941 0.179 261.8
oklab0.4941 -0.03 -0.18
CMYK
83.25% 54.82% 0% 22.75%
83.2554.82022.75CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.11 0.54
0.140.110.54XYZ
X
Y
Z
OKLCH
0.4941 0.179 261.8
0.49410.179261.8LCH
Lightness
Chroma
Hue
OKLAB
0.4941 -0.03 -0.18
0.4941-0.03-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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