Cerulean Blue

#1B51BB

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #1B51BB, is a captivating shade of blue that evokes feelings of calmness, serenity, and trustworthiness. This color is often associated with the sky and the ocean, making it a popular choice in various design applications. In color psychology, blue is known to represent stability, reliability, and confidence, making Cerulean Blue an excellent option for brands and organizations that want to project these qualities. Its specific hex code, #1B51BB, breaks down into red, green, and blue components, giving it a unique spectral fingerprint that sets it apart from other blues. The color is widely used in web design, graphic design, and even in the fashion industry, adding a touch of sophistication and elegance wherever it's implemented.

The color #1B51BB, a shade of Cerulean Blue, presents some accessibility challenges, particularly regarding color contrast. When used as text against a white background, it may not meet the WCAG (Web Content Accessibility Guidelines) AA standards for contrast ratio, which require a minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. To improve accessibility, consider pairing this color with lighter shades for the background, or using it sparingly for decorative elements rather than essential textual information. Alternatively, using a slightly lighter version of Cerulean Blue or using a darker background will allow this color to be accessible. Another option would be to add a light color as a shadow behind the letters to add more contrast between the color of the font and the background. Always test color combinations with accessibility tools to ensure they meet the required contrast ratios for readability and usability by individuals with visual impairments.

Shades

Digital Color Formats

RGB
27 81 187
RGB27 81 187
Red
Green
Blue
HSL
219.75deg 74.77% 41.96%
219.7574.7741.96HSL
Hue
Saturation
Lightness
HWB
219.75deg 10.59% 26.67%
219.7510.5926.67HWB
Hue
Whiteness
Blackness
hex#1B51BB
rgb27 81 187
hsl219.75deg 74.77% 41.96%
cmyk85.56% 56.68% 0% 26.67%
hwb219.75deg 10.59% 26.67%
xyz-d650.12 0.1 0.48
oklch0.4678 0.1768 261.97
oklab0.4678 -0.02 -0.18
CMYK
85.56% 56.68% 0% 26.67%
85.5656.68026.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.1 0.48
0.120.10.48XYZ
X
Y
Z
OKLCH
0.4678 0.1768 261.97
0.46780.1768261.97LCH
Lightness
Chroma
Hue
OKLAB
0.4678 -0.02 -0.18
0.4678-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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