Cerulean Blue

#1D54B9

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #1D54B9, is a medium-dark shade of blue with a slightly cyan undertone. It belongs to the broader blue color family and is often associated with feelings of calmness, serenity, and trustworthiness. This particular shade of blue is commonly used in various design contexts, including web design, graphic design, and branding, to evoke a sense of professionalism and stability. Its color coordinates are Red: 1D (29), Green: 54 (84), Blue: B9 (185).

The hex color #1D54B9, also known as Cerulean Blue, presents moderate accessibility challenges. Its contrast ratio against white text is approximately 4.6:1, which meets WCAG AA standards for normal text but falls short for larger text or graphical elements. Using white text on a #1D54B9 background may be readable for most users, but careful consideration should be given to those with visual impairments. For enhanced accessibility, consider using a lighter shade of blue or pairing it with darker text. Thoroughly test color combinations with accessibility tools to ensure readability and compliance with accessibility guidelines, creating a more inclusive user experience. Remember to consider those with color blindness.

Shades

Digital Color Formats

RGB
29 84 185
RGB29 84 185
Red
Green
Blue
HSL
218.85deg 72.9% 41.96%
218.8572.941.96HSL
Hue
Saturation
Lightness
HWB
218.85deg 11.37% 27.45%
218.8511.3727.45HWB
Hue
Whiteness
Blackness
hex#1D54B9
rgb29 84 185
hsl218.85deg 72.9% 41.96%
cmyk84.32% 54.59% 0% 27.45%
hwb218.85deg 11.37% 27.45%
xyz-d650.12 0.1 0.47
oklch0.4729 0.17 261.32
oklab0.4729 -0.03 -0.17
CMYK
84.32% 54.59% 0% 27.45%
84.3254.59027.45CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.1 0.47
0.120.10.47XYZ
X
Y
Z
OKLCH
0.4729 0.17 261.32
0.47290.17261.32LCH
Lightness
Chroma
Hue
OKLAB
0.4729 -0.03 -0.17
0.4729-0.03-0.17LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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