Cerulean Blue

#2157C5

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2157C5, is a vibrant and captivating shade of blue that evokes feelings of serenity, trust, and stability. This color falls within the blue color family, known for its calming and intellectual associations. Cerulean Blue derives its name from the Latin word "caeruleus," meaning dark blue, sky blue, or sea blue. It is often associated with the sky on a clear day, capturing the vastness and tranquility of the natural world. In color psychology, blue is often linked to reliability, loyalty, and intelligence. Cerulean Blue, in particular, has a slightly more energetic and vibrant quality compared to other shades of blue, making it an excellent choice for designs that aim to convey both trustworthiness and innovation. Its unique hue makes it a versatile color for various applications, from branding to interior design.

The hex color #2157C5, also known as Cerulean Blue, offers moderate accessibility depending on the context in which it is used. When used as a text color, it's crucial to ensure sufficient contrast against the background to meet WCAG guidelines for readability. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. If #2157C5 is used for interactive elements like buttons or links, it's essential to provide clear visual cues, such as a change in color or a distinct border, upon hover or focus. For users with visual impairments, relying solely on color to convey information can be problematic. Always supplement color with text labels or icons. When dealing with complex data visualizations, avoid using #2157C5 alongside similar shades of blue, as this can make it difficult for users with color vision deficiencies to differentiate between data points. Proper testing with accessibility tools and user feedback can significantly improve the inclusive design when implementing this color. Additionally, consider providing high-contrast themes for users who require them.

Shades

Digital Color Formats

RGB
33 87 197
RGB33 87 197
Red
Green
Blue
HSL
220.24deg 71.3% 45.1%
220.2471.345.1HSL
Hue
Saturation
Lightness
HWB
220.24deg 12.94% 22.75%
220.2412.9422.75HWB
Hue
Whiteness
Blackness
hex#2157C5
rgb33 87 197
hsl220.24deg 71.3% 45.1%
cmyk83.25% 55.84% 0% 22.75%
hwb220.24deg 12.94% 22.75%
xyz-d650.14 0.11 0.54
oklch0.49 0.1814 262.31
oklab0.49 -0.02 -0.18
CMYK
83.25% 55.84% 0% 22.75%
83.2555.84022.75CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.11 0.54
0.140.110.54XYZ
X
Y
Z
OKLCH
0.49 0.1814 262.31
0.490.1814262.31LCH
Lightness
Chroma
Hue
OKLAB
0.49 -0.02 -0.18
0.49-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons