Cerulean Blue

#1D4DC9

General Information about #1D4DC9

The color #1D4DC9, commonly known as Cerulean Blue, is a captivating shade of blue that falls within the cyan-blue spectrum. It is a mix of blue and a hint of green, giving it a unique and refreshing appearance. In the RGB color model, it consists of 11.4% red, 30.2% green, and 78.8% blue. In the world of color theory, cerulean blue is often associated with calmness, serenity, and stability. It's a popular choice for conveying trust and professionalism, making it a frequent selection in corporate branding. This color also finds application in various fields such as web design, graphic design, and even interior decoration. Its hex code is #1D4DC9, which is used to represent the color digitally.

The hex color #1D4DC9, also known as Cerulean Blue, presents some accessibility challenges. With a relatively low luminance, it can be difficult to read text when used as a background color with standard black or gray text. According to WCAG guidelines, it's crucial to ensure sufficient contrast between foreground and background colors to accommodate users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. To improve accessibility, consider pairing #1D4DC9 with lighter colors such as white, light yellow, or pale gray. Tools like contrast checkers can help verify compliance with accessibility standards, ensuring a more inclusive design. Proper color choices enhance usability for all users, including those with color blindness or low vision. Always prioritize accessibility when selecting color palettes for digital content.

Shades

Digital Color Formats

RGB
29 77 201
RGB29 77 201
Red
Green
Blue
HSL
223.26deg 74.78% 45.1%
223.2674.7845.1HSL
Hue
Saturation
Lightness
HWB
223.26deg 11.37% 21.18%
223.2611.3721.18HWB
Hue
Whiteness
Blackness
hex#1D4DC9
rgb29 77 201
hsl223.26deg 74.78% 45.1%
cmyk85.57% 61.69% 0% 21.18%
hwb223.26deg 11.37% 21.18%
xyz-d650.14 0.1 0.56
oklch0.4726 0.1995 264.01
oklab0.4726 -0.02 -0.2
CMYK
85.57% 61.69% 0% 21.18%
85.5761.69021.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.1 0.56
0.140.10.56XYZ
X
Y
Z
OKLCH
0.4726 0.1995 264.01
0.47260.1995264.01LCH
Lightness
Chroma
Hue
OKLAB
0.4726 -0.02 -0.2
0.4726-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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