Cerulean Blue

#2359B3

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2359B3, is a medium-dark shade of blue, evoking feelings of tranquility and serenity. Its composition consists of 13.7% red, 34.9% green, and 70.2% blue. The RGB (red, green, blue) values are 35, 89, and 179, respectively. In the CMYK (cyan, magenta, yellow, key/black) color model, it is composed of 80.4% cyan, 50.3% magenta, 0% yellow, and 29.8% black. This color is often associated with the sky and the ocean, making it a popular choice for designs aiming to convey peace and stability. It’s a versatile color that can be used effectively in various applications, from web design to interior decoration.

The color #2359B3, also known as Cerulean Blue, presents some accessibility challenges. With a relatively low luminance, it may pose difficulties for users with visual impairments, especially when used as text on a white background. According to WCAG guidelines, the contrast ratio between the text and background should be at least 4.5:1 for normal text and 3:1 for large text. This color may not meet these standards with lighter backgrounds. To improve accessibility, consider using a lighter shade of text or a darker background. Also, make sure any interactive elements using this color have sufficient visual cues beyond color alone. Testing with accessibility tools is crucial to ensure compliance.

Shades

Digital Color Formats

RGB
35 89 179
RGB35 89 179
Red
Green
Blue
HSL
217.5deg 67.29% 41.96%
217.567.2941.96HSL
Hue
Saturation
Lightness
HWB
217.5deg 13.73% 29.8%
217.513.7329.8HWB
Hue
Whiteness
Blackness
hex#2359B3
rgb35 89 179
hsl217.5deg 67.29% 41.96%
cmyk80.45% 50.28% 0% 29.8%
hwb217.5deg 13.73% 29.8%
xyz-d650.12 0.11 0.44
oklch0.4807 0.1544 260.15
oklab0.4807 -0.03 -0.15
CMYK
80.45% 50.28% 0% 29.8%
80.4550.28029.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.11 0.44
0.120.110.44XYZ
X
Y
Z
OKLCH
0.4807 0.1544 260.15
0.48070.1544260.15LCH
Lightness
Chroma
Hue
OKLAB
0.4807 -0.03 -0.15
0.4807-0.03-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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