Cerulean Blue

#1E51C8

About Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #1E51C8, is a medium-dark shade of blue associated with the sky and the sea. It gets its name from cerulean, a pigment that was first created synthetically in the mid-19th century. This particular hue evokes feelings of calmness, tranquility, and stability, making it a popular choice in various design applications. In color psychology, blue is often associated with trust, loyalty, and intelligence, further enhancing the appeal of cerulean blue in professional and creative settings. Its unique position on the color wheel between cyan and traditional blue allows for versatile use in palettes.

The color #1E51C8, a deep cerulean blue, presents some accessibility considerations for web developers. When using this color for text, it's crucial to ensure sufficient contrast with the background. A light background is generally recommended to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. Using online contrast checkers is highly advisable to verify compliance, especially for users with visual impairments. Avoid pairing this dark blue with other dark colors, as this can make the text difficult to read. Also, provide alternative cues beyond color alone to convey meaning, such as text labels or icons. Ensuring proper color contrast is vital for making web content accessible and usable for everyone.

Shades

Digital Color Formats

RGB
30 81 200
RGB30 81 200
Red
Green
Blue
HSL
222deg 73.91% 45.1%
22273.9145.1HSL
Hue
Saturation
Lightness
HWB
222deg 11.76% 21.57%
22211.7621.57HWB
Hue
Whiteness
Blackness
hex#1E51C8
rgb30 81 200
hsl222deg 73.91% 45.1%
cmyk85% 59.5% 0% 21.57%
hwb222deg 11.76% 21.57%
xyz-d650.14 0.1 0.56
oklch0.4797 0.1932 263.36
oklab0.4797 -0.02 -0.19
CMYK
85% 59.5% 0% 21.57%
8559.5021.57CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.1 0.56
0.140.10.56XYZ
X
Y
Z
OKLCH
0.4797 0.1932 263.36
0.47970.1932263.36LCH
Lightness
Chroma
Hue
OKLAB
0.4797 -0.02 -0.19
0.4797-0.02-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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