Cerulean Blue

#1B52BB

General Information

Cerulean Blue, represented by the hexadecimal color code #1B52BB, is a vibrant and captivating shade of blue that sits between azure and sky blue on the color spectrum. This color evokes feelings of calmness, serenity, and stability, making it a popular choice in various fields such as design, art, and fashion. It is often associated with the sky and the sea, bringing a sense of openness and tranquility. The RGB values for Cerulean Blue are R:27, G:82, B:187, while its CMYK values are C:86, M:56, Y:0, K:27. Its versatility makes it a favorite among designers for creating both bold and subtle visual effects. It's important to note that Cerulean Blue is not exactly the same as 'cerulean' which is #007BA7.

The color #1B52BB, a shade of Cerulean Blue, presents some accessibility challenges, particularly in text-based applications. When used as a text color, it requires careful consideration of the background color 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. Using #1B52BB on a white background, for instance, might not meet these requirements, making it difficult for users with visual impairments to read. Therefore, it is advisable to pair it with lighter shades of yellow, white, or other pale colors to enhance readability. In interface design, ensure that interactive elements using this color are clearly distinguishable and provide appropriate visual cues for focus and state changes. Providing alternative color schemes or allowing users to customize colors can also significantly improve accessibility.

Shades

Digital Color Formats

RGB
27 82 187
RGB27 82 187
Red
Green
Blue
HSL
219.38deg 74.77% 41.96%
219.3874.7741.96HSL
Hue
Saturation
Lightness
HWB
219.38deg 10.59% 26.67%
219.3810.5926.67HWB
Hue
Whiteness
Blackness
hex#1B52BB
rgb27 82 187
hsl219.38deg 74.77% 41.96%
cmyk85.56% 56.15% 0% 26.67%
hwb219.38deg 10.59% 26.67%
xyz-d650.12 0.1 0.48
oklch0.4699 0.1756 261.71
oklab0.4699 -0.03 -0.17
CMYK
85.56% 56.15% 0% 26.67%
85.5656.15026.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.1 0.48
0.120.10.48XYZ
X
Y
Z
OKLCH
0.4699 0.1756 261.71
0.46990.1756261.71LCH
Lightness
Chroma
Hue
OKLAB
0.4699 -0.03 -0.17
0.4699-0.03-0.17LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons