Cerulean Blue

#2A47BC

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2a47bc, is a deep and vibrant shade of blue often associated with tranquility, depth, and creativity. It is a color that evokes feelings of serenity and expansiveness, reminiscent of the clear blue sky or the deep ocean. In the RGB color model, it is composed of 16.47% red, 27.84% green, and 73.73% blue. The color is located in the blue-violet segment of the visible spectrum, possessing a wavelength that is perceived by the human eye as a distinct shade of blue. In color psychology, blue is often linked to trustworthiness, stability, and intelligence, making Cerulean Blue a popular choice for branding and design in various fields. Its rich hue makes it visually striking, while its association with calmness lends it a sense of balance.

The hex color #2a47bc, also known as Cerulean Blue, presents some accessibility challenges. Its relatively low luminance makes it difficult to discern against darker backgrounds, potentially causing readability issues for users with visual impairments. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. When using #2a47bc for text, ensure it's paired with a light background like white (#ffffff) or a very pale yellow to meet these contrast requirements. Alternatively, if used as a background, opt for white or very light text to achieve sufficient contrast. Tools like the WebAIM contrast checker can help verify compliance. Careful consideration of color combinations is vital to create inclusive and accessible digital experiences for all users, including those with color blindness or low vision.

Shades

Digital Color Formats

RGB
42 71 188
RGB42 71 188
Red
Green
Blue
HSL
228.08deg 63.48% 45.1%
228.0863.4845.1HSL
Hue
Saturation
Lightness
HWB
228.08deg 16.47% 26.27%
228.0816.4726.27HWB
Hue
Whiteness
Blackness
hex#2A47BC
rgb42 71 188
hsl228.08deg 63.48% 45.1%
cmyk77.66% 62.23% 0% 26.27%
hwb228.08deg 16.47% 26.27%
xyz-d650.12 0.09 0.49
oklch0.4542 0.1867 267.42
oklab0.4542 -0.01 -0.19
CMYK
77.66% 62.23% 0% 26.27%
77.6662.23026.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.49
0.120.090.49XYZ
X
Y
Z
OKLCH
0.4542 0.1867 267.42
0.45420.1867267.42LCH
Lightness
Chroma
Hue
OKLAB
0.4542 -0.01 -0.19
0.4542-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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