Cerulean Blue

#284DAE

General Information about Cerulean Blue

Cerulean Blue, represented by the hex code #284DAE, is a medium-dark shade of blue that evokes a sense of calmness and serenity. It falls within the blue color family and is characterized by its slightly desaturated hue, making it less intense than pure blue. This color is named after the pigment derived from magnesium ammonium phosphate, discovered in 1805. Cerulean Blue is commonly associated with the sky and the ocean, embodying feelings of tranquility and stability. It is frequently employed in design to create a sense of trust and reliability, often favored by organizations seeking to project an image of professionalism and trustworthiness. Its subtle nature allows it to be versatile across different applications, from digital interfaces to physical products.

The hex color #284DAE, also known as Cerulean Blue, offers moderate accessibility considerations for web development. When used as a foreground color for text, it requires careful pairing with a light background to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Testing the color combination with accessibility tools is crucial to confirm compliance. In scenarios where high contrast is not achievable, consider using a darker shade of blue or an entirely different color palette to improve readability for users with visual impairments. Additionally, providing alternative text descriptions for images and other non-text elements is essential for users relying on screen readers. Thoughtful use of this color, combined with appropriate accessibility practices, will enhance the user experience for everyone.

Shades

Digital Color Formats

RGB
40 77 174
RGB40 77 174
Red
Green
Blue
HSL
223.43deg 62.62% 41.96%
223.4362.6241.96HSL
Hue
Saturation
Lightness
HWB
223.43deg 15.69% 31.76%
223.4315.6931.76HWB
Hue
Whiteness
Blackness
hex#284DAE
rgb40 77 174
hsl223.43deg 62.62% 41.96%
cmyk77.01% 55.75% 0% 31.76%
hwb223.43deg 15.69% 31.76%
xyz-d650.11 0.09 0.41
oklch0.4531 0.1611 264.84
oklab0.4531 -0.01 -0.16
CMYK
77.01% 55.75% 0% 31.76%
77.0155.75031.76CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.09 0.41
0.110.090.41XYZ
X
Y
Z
OKLCH
0.4531 0.1611 264.84
0.45310.1611264.84LCH
Lightness
Chroma
Hue
OKLAB
0.4531 -0.01 -0.16
0.4531-0.01-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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