Cerulean Blue

#1E4CC8

General Information about Cerulean Blue

The color #1E4CC8, commonly known as Cerulean Blue, is a captivating shade within the blue color family. It's characterized by its moderate saturation and slightly muted tone, which gives it a sense of depth and sophistication. In the RGB color model, #1E4CC8 consists of 12.55% red, 29.8% green, and 78.43% blue. Its corresponding values in the CMYK color model are 84% cyan, 62% magenta, 0% yellow, and 22% black. Cerulean blue derives its name from the Latin word "caeruleus," meaning dark blue or sky-blue. Historically, cerulean pigment was derived from cerulean blue chromate, a synthetic inorganic pigment developed in the mid-19th century. The color is often associated with feelings of calmness, serenity, and stability, making it a popular choice across various design applications.

The color #1E4CC8, a deep cerulean blue, presents several accessibility considerations for web developers. Its relatively low luminance value means that sufficient contrast is crucial when pairing it with text or other interface elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text (14pt bold or 18pt regular) against its background. Using a color contrast checker is highly advisable to ensure compliance. When employing this color for interactive elements like buttons or links, consider providing clear visual cues beyond just color to aid users with color vision deficiencies. For instance, adding an underline to links or using icons alongside text can improve usability. Furthermore, avoid using #1E4CC8 as the sole indicator for important information, as it might be missed by some users. Always provide alternative ways to convey the same message.

Shades

Digital Color Formats

RGB
30 76 200
RGB30 76 200
Red
Green
Blue
HSL
223.76deg 73.91% 45.1%
223.7673.9145.1HSL
Hue
Saturation
Lightness
HWB
223.76deg 11.76% 21.57%
223.7611.7621.57HWB
Hue
Whiteness
Blackness
hex#1E4CC8
rgb30 76 200
hsl223.76deg 73.91% 45.1%
cmyk85% 62% 0% 21.57%
hwb223.76deg 11.76% 21.57%
xyz-d650.14 0.1 0.56
oklch0.4701 0.1992 264.3
oklab0.4701 -0.02 -0.2
CMYK
85% 62% 0% 21.57%
8562021.57CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.1 0.56
0.140.10.56XYZ
X
Y
Z
OKLCH
0.4701 0.1992 264.3
0.47010.1992264.3LCH
Lightness
Chroma
Hue
OKLAB
0.4701 -0.02 -0.2
0.4701-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons