Cerulean Blue

#1E56B8

General Information about Cerulean Blue

The hex color #1E56B8, also known as Cerulean Blue, is a captivating shade residing in the blue color family. It's composed of 11.8% red, 33.7% green, and 72.2% blue. In the RGB color space, this equates to (30, 86, 184). Cerulean Blue evokes feelings of calmness, serenity, and sophistication. It's often associated with the sky and ocean, making it a popular choice for designs aiming to create a sense of tranquility. In color theory, #1E56B8 is considered a cool color, which can be used to balance warmer tones in a design palette. It is best practice to consider cultural associations when using #1E56B8 in your designs as these may affect the viewer's perception of the color.

The hex color #1E56B8, a shade of Cerulean Blue, presents some accessibility considerations, particularly in text and UI design. Its relatively moderate luminance requires careful pairing with background colors to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #1E56B8 for text, it's crucial to test its contrast against the chosen background to meet accessibility standards. Lighter backgrounds, such as whites (#FFFFFF) or very light grays, might not provide adequate contrast, potentially causing readability issues for users with visual impairments. Tools like contrast checkers can help evaluate and adjust color pairings to improve accessibility. For graphical elements and UI components, ensuring sufficient contrast helps users perceive boundaries and interactive elements effectively. A lighter color is recommended to increase accessibility.

Shades

Digital Color Formats

RGB
30 86 184
RGB30 86 184
Red
Green
Blue
HSL
218.18deg 71.96% 41.96%
218.1871.9641.96HSL
Hue
Saturation
Lightness
HWB
218.18deg 11.76% 27.84%
218.1811.7627.84HWB
Hue
Whiteness
Blackness
hex#1E56B8
rgb30 86 184
hsl218.18deg 71.96% 41.96%
cmyk83.7% 53.26% 0% 27.84%
hwb218.18deg 11.76% 27.84%
xyz-d650.13 0.1 0.47
oklch0.4766 0.166 260.8
oklab0.4766 -0.03 -0.16
CMYK
83.7% 53.26% 0% 27.84%
83.753.26027.84CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.1 0.47
0.130.10.47XYZ
X
Y
Z
OKLCH
0.4766 0.166 260.8
0.47660.166260.8LCH
Lightness
Chroma
Hue
OKLAB
0.4766 -0.03 -0.16
0.4766-0.03-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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