Cerulean Blue

#2D5CB3

General Information about Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #2D5CB3, is a medium shade of blue that evokes feelings of calmness, stability, and trustworthiness. It falls within the blue color family, characterized by its relatively low saturation and moderate brightness. Cerulean blue is often associated with the sky and the ocean, contributing to its serene and calming associations. In color psychology, blue is often linked to intelligence, trustworthiness, efficiency, and serenity. Cerulean specifically brings a balance of creativity due to its light and airy qualities, and reliability from its darker undertones. It is a versatile color that can be used in a wide range of applications from web design to interior decoration.

The color #2D5CB3, a shade of cerulean blue, presents some accessibility considerations for web development. When used as a text color, it's crucial to ensure sufficient contrast against the background to meet WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using a light background color, such as white or a very pale yellow, would significantly improve readability. Conversely, using dark backgrounds may require adjustments to the font weight or size to enhance contrast. Additionally, avoid relying solely on color to convey important information, as users with color vision deficiencies may not be able to distinguish it. Providing alternative cues, such as text labels or icons, is essential for ensuring inclusivity. Testing the color combination with accessibility tools like contrast checkers is highly recommended during the design process to guarantee an accessible user experience.

Shades

Digital Color Formats

RGB
45 92 179
RGB45 92 179
Red
Green
Blue
HSL
218.96deg 59.82% 43.92%
218.9659.8243.92HSL
Hue
Saturation
Lightness
HWB
218.96deg 17.65% 29.8%
218.9617.6529.8HWB
Hue
Whiteness
Blackness
hex#2D5CB3
rgb45 92 179
hsl218.96deg 59.82% 43.92%
cmyk74.86% 48.6% 0% 29.8%
hwb218.96deg 17.65% 29.8%
xyz-d650.13 0.11 0.44
oklch0.4908 0.1479 261.42
oklab0.4908 -0.02 -0.15
CMYK
74.86% 48.6% 0% 29.8%
74.8648.6029.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.11 0.44
0.130.110.44XYZ
X
Y
Z
OKLCH
0.4908 0.1479 261.42
0.49080.1479261.42LCH
Lightness
Chroma
Hue
OKLAB
0.4908 -0.02 -0.15
0.4908-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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