Cerulean Blue

#2154C5

General Information about Cerulean Blue

The hex color #2154C5, commonly known as Cerulean Blue, is a captivating shade residing in the blue color family. It is composed of 12.9% red, 32.9% green, and 77.3% blue. In the RGB color model, it is represented as (33, 84, 197). Cerulean Blue conveys feelings of calmness, stability, and sophistication. This color is often associated with the sky and the sea, evoking a sense of vastness and tranquility. In color psychology, blue is known to promote trust, security, and intelligence. Cerulean Blue, with its moderate saturation, makes it a versatile choice for various design applications. It can be used in branding to convey reliability and professionalism, or in web design to create a serene and user-friendly interface. Its unique blend of coolness and vibrancy allows it to stand out while maintaining a sense of harmony.

The hex color #2154c5, a shade of cerulean blue, presents several accessibility considerations for web developers. Its contrast ratio against white (#ffffff) is approximately 3.5:1, which falls short of the WCAG's recommended 4.5:1 for normal text. Therefore, using #2154c5 for text on a white background might not be fully accessible to users with moderate visual impairments. However, it passes the minimum contrast for large text (3:1). When using this color, consider using a darker background color or lightening the text color to improve the contrast ratio. Tools like contrast checkers can assist in verifying compliance with accessibility standards. Developers should also provide alternative ways to convey information, such as descriptive link text or ARIA attributes, to ensure inclusivity for all users. Avoid using this color alone to convey critical information, as color blindness affects a significant portion of the population. Providing supplementary cues, such as labels or icons, will improve accessibility.

Shades

Digital Color Formats

RGB
33 84 197
RGB33 84 197
Red
Green
Blue
HSL
221.34deg 71.3% 45.1%
221.3471.345.1HSL
Hue
Saturation
Lightness
HWB
221.34deg 12.94% 22.75%
221.3412.9422.75HWB
Hue
Whiteness
Blackness
hex#2154C5
rgb33 84 197
hsl221.34deg 71.3% 45.1%
cmyk83.25% 57.36% 0% 22.75%
hwb221.34deg 12.94% 22.75%
xyz-d650.14 0.11 0.54
oklch0.484 0.1851 263.03
oklab0.484 -0.02 -0.18
CMYK
83.25% 57.36% 0% 22.75%
83.2557.36022.75CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.11 0.54
0.140.110.54XYZ
X
Y
Z
OKLCH
0.484 0.1851 263.03
0.4840.1851263.03LCH
Lightness
Chroma
Hue
OKLAB
0.484 -0.02 -0.18
0.484-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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