Cerulean Blue

#2B58BB

General Information about Cerulean Blue

Cerulean Blue, represented by the hex code #2B58BB, is a medium-dark shade of blue that falls within the cyan-blue spectrum. It's characterized by its strong blue hue with a slightly greenish undertone, reminiscent of the color of a clear, deep-blue sky or sea. In the RGB color model, #2B58BB is composed of 17.1% red, 34.5% green, and 73.3% blue. In the CMYK color model, used for printing, it consists of 76.6% cyan, 52.9% magenta, 0% yellow, and 26.7% black. This color is often associated with calmness, serenity, and stability, making it a popular choice for branding and design projects where these qualities are desired.

The hex color #2B58BB, a shade of Cerulean Blue, presents some accessibility considerations for web developers. Its relatively low lightness value means that text rendered in this color on a white background might not provide sufficient contrast for users with visual impairments, potentially violating WCAG guidelines. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. To improve accessibility, consider using #2B58BB for larger text elements or pairing it with a lighter color for improved readability. Also, avoid using this color as the sole means of conveying information. Always provide alternative cues, such as text labels or icons, to ensure that all users can understand the content, regardless of their ability to distinguish colors. Testing with accessibility evaluation tools is highly recommended to identify and address any potential contrast issues.

Shades

Digital Color Formats

RGB
43 88 187
RGB43 88 187
Red
Green
Blue
HSL
221.25deg 62.61% 45.1%
221.2562.6145.1HSL
Hue
Saturation
Lightness
HWB
221.25deg 16.86% 26.67%
221.2516.8626.67HWB
Hue
Whiteness
Blackness
hex#2B58BB
rgb43 88 187
hsl221.25deg 62.61% 45.1%
cmyk77.01% 52.94% 0% 26.67%
hwb221.25deg 16.86% 26.67%
xyz-d650.13 0.11 0.48
oklch0.4874 0.1643 263.25
oklab0.4874 -0.02 -0.16
CMYK
77.01% 52.94% 0% 26.67%
77.0152.94026.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.11 0.48
0.130.110.48XYZ
X
Y
Z
OKLCH
0.4874 0.1643 263.25
0.48740.1643263.25LCH
Lightness
Chroma
Hue
OKLAB
0.4874 -0.02 -0.16
0.4874-0.02-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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