Cerulean Blue

#274FBF

General Information about Cerulean Blue

Cerulean Blue, represented by the hex code #274FBF, is a vibrant and captivating shade of blue often associated with the sky and sea. It is a moderately dark color with a strong presence, evoking feelings of tranquility, serenity, and trustworthiness. In the RGB color model, it is composed of 15.3% red, 31% green, and 74.9% blue. This specific combination creates its unique and distinctive character. Cerulean Blue is frequently used in web design, graphic arts, and interior decoration to add a touch of sophistication and elegance. Its calming effect makes it a popular choice for creating visually appealing and relaxing environments.

The hex color #274FBF, also known as Cerulean Blue, presents some accessibility challenges, particularly in text-based applications. Its relatively low luminance value of approximately 0.2 means that using it as a background color with black text will likely fail WCAG contrast requirements. To ensure readability and accessibility for users with visual impairments, it is crucial to pair Cerulean Blue with lighter colors for text or interface elements. White (#FFFFFF) or very light grays would be suitable choices. When using this color for interactive elements like buttons or links, sufficient contrast is vital to help users easily identify and interact with these elements. Tools for checking color contrast ratios are readily available online and can help web developers verify compliance with accessibility standards. Careful consideration of color combinations will enhance usability for all users.

Shades

Digital Color Formats

RGB
39 79 191
RGB39 79 191
Red
Green
Blue
HSL
224.21deg 66.09% 45.1%
224.2166.0945.1HSL
Hue
Saturation
Lightness
HWB
224.21deg 15.29% 25.1%
224.2115.2925.1HWB
Hue
Whiteness
Blackness
hex#274FBF
rgb39 79 191
hsl224.21deg 66.09% 45.1%
cmyk79.58% 58.64% 0% 25.1%
hwb224.21deg 15.29% 25.1%
xyz-d650.13 0.1 0.5
oklch0.4709 0.1818 265.05
oklab0.4709 -0.02 -0.18
CMYK
79.58% 58.64% 0% 25.1%
79.5858.64025.1CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.1 0.5
0.130.10.5XYZ
X
Y
Z
OKLCH
0.4709 0.1818 265.05
0.47090.1818265.05LCH
Lightness
Chroma
Hue
OKLAB
0.4709 -0.02 -0.18
0.4709-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons