Cerulean Blue

#284DBE

General Information about Cerulean Blue

The hexadecimal color #284DBE, also known as Cerulean Blue, is a vibrant and deep shade of blue. It's composed of 15.7% red, 30.2% green, and 74.5% blue. In the RGB color model, it has values of R:40, G:77, B:190. In the CMYK color model, it's composed of 78.9% cyan, 59.5% magenta, 0% yellow, and 25.5% black. Cerulean blue is often associated with tranquility, depth, and stability. It's a popular color in various applications, including web design, fashion, and interior design. It is a color often used when portraying trust, responsibility and safety. It is not as dark as a navy blue, while not being as light as a sky blue.

The color #284DBE, a shade of cerulean blue, presents some accessibility considerations for web development. Its contrast ratio against white (#FFFFFF) is relatively low, which might pose challenges for users with visual impairments. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. Using this color for text on a white background might require increasing the font size or weight to improve legibility. Alternatively, pairing it with a lighter shade of blue or a contrasting color like yellow or orange can enhance accessibility. When using #284DBE for interactive elements like buttons or links, ensure that the hover and focus states provide clear visual cues to aid navigation for all users. Careful consideration of color combinations and text sizes is essential to make websites inclusive and accessible to everyone, regardless of their visual abilities. Using accessibility evaluation tools is highly recommended.

Shades

Digital Color Formats

RGB
40 77 190
RGB40 77 190
Red
Green
Blue
HSL
225.2deg 65.22% 45.1%
225.265.2245.1HSL
Hue
Saturation
Lightness
HWB
225.2deg 15.69% 25.49%
225.215.6925.49HWB
Hue
Whiteness
Blackness
hex#284DBE
rgb40 77 190
hsl225.2deg 65.22% 45.1%
cmyk78.95% 59.47% 0% 25.49%
hwb225.2deg 15.69% 25.49%
xyz-d650.13 0.09 0.5
oklch0.4665 0.1826 265.69
oklab0.4665 -0.01 -0.18
CMYK
78.95% 59.47% 0% 25.49%
78.9559.47025.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.09 0.5
0.130.090.5XYZ
X
Y
Z
OKLCH
0.4665 0.1826 265.69
0.46650.1826265.69LCH
Lightness
Chroma
Hue
OKLAB
0.4665 -0.01 -0.18
0.4665-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons