Cerulean Blue

#1D4DB9

General Information about Cerulean Blue

The hex color #1D4DB9, also known as Cerulean Blue, is a deep and rich shade of blue, often associated with trustworthiness, stability, and intelligence. In the RGB color model, it is composed of 11.4% red, 30.2% green, and 72.5% blue. This particular shade of blue falls within the broader category of blue hues, typically perceived as calming and authoritative. Cerulean Blue has been widely used across various industries, including branding, web design, and fashion. Its hex code representation provides a standardized way to define and reproduce this specific color accurately across different platforms and devices. Understanding the color properties of #1D4DB9 can help designers and artists effectively incorporate it into their projects to achieve desired aesthetic and psychological effects. The color's association with calmness and authority makes it a popular choice for corporate branding and website designs aimed at projecting reliability and expertise.

The hex color #1D4DB9, a shade of Cerulean Blue, presents some accessibility challenges. Its relatively low luminance value (approximately 0.15) necessitates careful consideration of color contrast, especially when used for text or interactive elements. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments to perceive content effectively. When pairing this color with text, it is highly recommended to use light-colored text (white or very light grays) to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Using darker text colors against #1D4DB9 could render the content illegible for many users, including those with low vision or color deficiencies. It's also important to test color combinations with accessibility evaluation tools to verify compliance with WCAG standards. Avoid using this color for critical information or calls to action without ensuring adequate contrast. Providing alternative styling options (e.g., high-contrast themes) can further enhance accessibility.

Shades

Digital Color Formats

RGB
29 77 185
RGB29 77 185
Red
Green
Blue
HSL
221.54deg 72.9% 41.96%
221.5472.941.96HSL
Hue
Saturation
Lightness
HWB
221.54deg 11.37% 27.45%
221.5411.3727.45HWB
Hue
Whiteness
Blackness
hex#1D4DB9
rgb29 77 185
hsl221.54deg 72.9% 41.96%
cmyk84.32% 58.38% 0% 27.45%
hwb221.54deg 11.37% 27.45%
xyz-d650.12 0.09 0.47
oklch0.4585 0.1786 263.13
oklab0.4585 -0.02 -0.18
CMYK
84.32% 58.38% 0% 27.45%
84.3258.38027.45CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.47
0.120.090.47XYZ
X
Y
Z
OKLCH
0.4585 0.1786 263.13
0.45850.1786263.13LCH
Lightness
Chroma
Hue
OKLAB
0.4585 -0.02 -0.18
0.4585-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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