Cerulean Blue

#1B4CBB

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #1B4CBB, is a medium-dark shade of blue with a strong presence and association with tranquility and depth. It is a color often linked to the sky and the sea, evoking feelings of serenity, stability, and inspiration. In color psychology, blue is often associated with trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. Cerulean Blue, specifically, gets its name from cerulean, which refers to the blue of the sky on a clear day. It is a popular choice in branding and design for companies seeking to project an image of reliability and trustworthiness. The hex code #1B4CBB breaks down into 11% red, 29.8% green, and 73.3% blue.

The color #1B4CBB, a shade of Cerulean Blue, offers moderate accessibility. When used as text, it requires careful consideration of the background color to ensure sufficient contrast for readability. A light background is generally recommended to meet WCAG standards for normal text (4.5:1 contrast ratio) and large text (3:1 contrast ratio). When using this color for interactive elements like buttons or links, ensure the focus state is clearly visible and distinguishable. Providing alternative text or visual cues for users with visual impairments is crucial. Additionally, consider the color's impact on users with color vision deficiencies, by providing alternative ways to convey information, such as icons or text labels. Testing the color scheme with accessibility tools helps identify and address potential issues.

Shades

Digital Color Formats

RGB
27 76 187
RGB27 76 187
Red
Green
Blue
HSL
221.63deg 74.77% 41.96%
221.6374.7741.96HSL
Hue
Saturation
Lightness
HWB
221.63deg 10.59% 26.67%
221.6310.5926.67HWB
Hue
Whiteness
Blackness
hex#1B4CBB
rgb27 76 187
hsl221.63deg 74.77% 41.96%
cmyk85.56% 59.36% 0% 26.67%
hwb221.63deg 10.59% 26.67%
xyz-d650.12 0.09 0.48
oklch0.4577 0.1829 263.14
oklab0.4577 -0.02 -0.18
CMYK
85.56% 59.36% 0% 26.67%
85.5659.36026.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.48
0.120.090.48XYZ
X
Y
Z
OKLCH
0.4577 0.1829 263.14
0.45770.1829263.14LCH
Lightness
Chroma
Hue
OKLAB
0.4577 -0.02 -0.18
0.4577-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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