Cerulean Blue

#274DBF

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #274DBF, is a captivating shade of blue that falls within the range of cyan and azure. It is characterized by its medium saturation and moderate brightness, lending it a cool and calming appearance. This color derives its name from the Latin word "caeruleus," meaning "dark blue" or "sky blue," evoking imagery of clear skies and tranquil waters. Cerulean Blue is often associated with feelings of peace, serenity, and stability, making it a popular choice in various design applications. Its versatility allows it to be used effectively in both digital and print media, where it can convey a sense of trustworthiness and professionalism. In color psychology, blues are generally linked to dependability and intelligence, further enhancing the appeal of Cerulean Blue for branding and marketing purposes. This color's widespread use across different industries underscores its timeless and enduring aesthetic qualities.

The hex color #274DBF, also known as Cerulean Blue, presents some accessibility challenges, particularly in text-based applications. Its relatively low luminance value means that it requires careful consideration of contrast ratios to ensure readability for users, especially those with visual impairments. When used as a background color, pairing it with white or very light text is essential to meet WCAG (Web Content Accessibility Guidelines) standards for contrast. Conversely, using dark-colored text on a Cerulean Blue background can be problematic. Developers should use color contrast checkers to verify that their color choices provide sufficient contrast (a ratio of at least 4.5:1 for normal text and 3:1 for large text). Moreover, avoid relying solely on color to convey important information; supplement color cues with text labels, icons, or patterns to ensure inclusivity for all users, including those with color vision deficiencies. Thoughtful application of this color can enhance visual appeal while maintaining an accessible and user-friendly design.

Shades

Digital Color Formats

RGB
39 77 191
RGB39 77 191
Red
Green
Blue
HSL
225deg 66.09% 45.1%
22566.0945.1HSL
Hue
Saturation
Lightness
HWB
225deg 15.29% 25.1%
22515.2925.1HWB
Hue
Whiteness
Blackness
hex#274DBF
rgb39 77 191
hsl225deg 66.09% 45.1%
cmyk79.58% 59.69% 0% 25.1%
hwb225deg 15.29% 25.1%
xyz-d650.13 0.1 0.5
oklch0.467 0.1842 265.5
oklab0.467 -0.01 -0.18
CMYK
79.58% 59.69% 0% 25.1%
79.5859.69025.1CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.1 0.5
0.130.10.5XYZ
X
Y
Z
OKLCH
0.467 0.1842 265.5
0.4670.1842265.5LCH
Lightness
Chroma
Hue
OKLAB
0.467 -0.01 -0.18
0.467-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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