Cerulean Blue

#1E4EB8

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #1E4EB8, is a shade of blue that sits between cyan and azure on the color wheel. It is characterized by its moderate saturation and luminance, which gives it a calming and sophisticated appearance. The color is named after cerulean, a pigment first used in the 1860s. In RGB color space, #1E4EB8 is composed of 11.8% red, 30.6% green, and 72.2% blue. In CMYK color space, it is composed of 84% cyan, 58% magenta, 0% yellow, and 28% black. Cerulean blue is often associated with calmness, peace, and stability, making it a popular choice for various applications in design, art, and fashion. Its unique hue and versatility make it a timeless color choice.

The hex color #1E4EB8, also known as Cerulean Blue, presents some accessibility considerations for web developers. When using this color for text, it's crucial to ensure sufficient contrast against the background. Due to its relatively dark nature, it generally requires a light-colored background to meet WCAG (Web Content Accessibility Guidelines) standards for readability. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. If the background is too dark, users with low vision may struggle to distinguish the text. Consider using contrast checking tools to verify compliance. Avoid pairing #1E4EB8 with other dark shades or colors of similar luminance to maintain optimal accessibility for all users. Also keep in mind color blindness. Some users will have difficulty distinguishing color shades and tones. Therefore, using color alone to convey important information should be avoided.

Shades

Digital Color Formats

RGB
30 78 184
RGB30 78 184
Red
Green
Blue
HSL
221.3deg 71.96% 41.96%
221.371.9641.96HSL
Hue
Saturation
Lightness
HWB
221.3deg 11.76% 27.84%
221.311.7627.84HWB
Hue
Whiteness
Blackness
hex#1E4EB8
rgb30 78 184
hsl221.3deg 71.96% 41.96%
cmyk83.7% 57.61% 0% 27.84%
hwb221.3deg 11.76% 27.84%
xyz-d650.12 0.09 0.46
oklch0.46 0.1759 263
oklab0.46 -0.02 -0.17
CMYK
83.7% 57.61% 0% 27.84%
83.757.61027.84CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.46
0.120.090.46XYZ
X
Y
Z
OKLCH
0.46 0.1759 263
0.460.1759263LCH
Lightness
Chroma
Hue
OKLAB
0.46 -0.02 -0.17
0.46-0.02-0.17LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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