Cerulean Blue

#2B5FBB

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2B5FBB, is a captivating shade of blue that evokes feelings of tranquility and serenity. It is often associated with the sky and ocean, embodying a sense of openness and calmness. In the RGB color model, it is composed of 17.1% red, 37.3% green, and 73.3% blue. This color lies within the blue spectrum and has a noticeable cool undertone. Cerulean blue derives its name from ceruleum, a Latin word for sky blue. It gained significant popularity in the late 20th century and early 21st century, especially in the fields of fashion and design. Its unique blend of vibrancy and peacefulness makes it a versatile color for various applications. The Pantone color institute included 'Cerulean' as its color of the year in 2000.

The hex color #2B5FBB, also known as Cerulean Blue, offers moderate accessibility for web content. When used as a foreground color for text, it requires careful consideration of the background color to ensure sufficient contrast. A lighter background, such as a pale yellow or white, would be necessary to meet WCAG (Web Content Accessibility Guidelines) standards for readability. Conversely, as a background color, #2B5FBB pairs well with lighter text colors like white (#FFFFFF) or light gray (#D3D3D3), providing adequate contrast. Tools like contrast checkers can help web developers verify the contrast ratio and ensure that content is accessible to users with visual impairments. Avoid pairing it with dark shades of blue or purple to prevent low contrast issues. Always consider the needs of all users when implementing color schemes.

Shades

Digital Color Formats

RGB
43 95 187
RGB43 95 187
Red
Green
Blue
HSL
218.33deg 62.61% 45.1%
218.3362.6145.1HSL
Hue
Saturation
Lightness
HWB
218.33deg 16.86% 26.67%
218.3316.8626.67HWB
Hue
Whiteness
Blackness
hex#2B5FBB
rgb43 95 187
hsl218.33deg 62.61% 45.1%
cmyk77.01% 49.2% 0% 26.67%
hwb218.33deg 16.86% 26.67%
xyz-d650.14 0.12 0.49
oklch0.5023 0.1557 260.84
oklab0.5023 -0.02 -0.15
CMYK
77.01% 49.2% 0% 26.67%
77.0149.2026.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.12 0.49
0.140.120.49XYZ
X
Y
Z
OKLCH
0.5023 0.1557 260.84
0.50230.1557260.84LCH
Lightness
Chroma
Hue
OKLAB
0.5023 -0.02 -0.15
0.5023-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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