Cerulean Blue

#1D4CC9

General Information about Cerulean Blue

The hex color #1D4CC9, also known as Cerulean Blue, is a vibrant and captivating shade of blue that lies within the cyan-blue color spectrum. It is a medium-dark hue with a strong presence, often associated with feelings of tranquility, stability, and trust. This color is commonly used in various design applications, including web design, graphic design, and branding, due to its ability to evoke a sense of professionalism and reliability. Cerulean Blue is created by combining blue and green pigments, resulting in its unique and distinctive appearance. Its hex code, #1D4CC9, represents the specific mixture of red, green, and blue light intensities that produce this particular shade. In terms of color theory, Cerulean Blue can be used to create harmonious color palettes when combined with complementary or analogous colors.

The hex color #1D4CC9, also known as Cerulean Blue, presents moderate accessibility challenges. Its relatively low luminance contrast against white backgrounds may pose readability issues for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. This color may not meet these standards when paired with light colors. To improve accessibility, consider using darker shades of text or employing a higher-contrast background color. Utilizing tools like contrast checkers can help ensure compliance with accessibility standards, making web content more inclusive and user-friendly for individuals with varying visual abilities. Text size and font weight can also impact perceived contrast, so testing different combinations is crucial.

Shades

Digital Color Formats

RGB
29 76 201
RGB29 76 201
Red
Green
Blue
HSL
223.6deg 74.78% 45.1%
223.674.7845.1HSL
Hue
Saturation
Lightness
HWB
223.6deg 11.37% 21.18%
223.611.3721.18HWB
Hue
Whiteness
Blackness
hex#1D4CC9
rgb29 76 201
hsl223.6deg 74.78% 45.1%
cmyk85.57% 62.19% 0% 21.18%
hwb223.6deg 11.37% 21.18%
xyz-d650.14 0.1 0.56
oklch0.4707 0.2006 264.18
oklab0.4707 -0.02 -0.2
CMYK
85.57% 62.19% 0% 21.18%
85.5762.19021.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.1 0.56
0.140.10.56XYZ
X
Y
Z
OKLCH
0.4707 0.2006 264.18
0.47070.2006264.18LCH
Lightness
Chroma
Hue
OKLAB
0.4707 -0.02 -0.2
0.4707-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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