Cerulean Blue

#1E4AC9

General Information about #1E4AC9

The hexadecimal color #1E4AC9 is a shade of blue, specifically Cerulean Blue. It is composed of 11.8% red, 29% green, and 78.8% blue. In the RGB color model, it is represented as (30, 74, 201). Cerulean Blue is often associated with calmness, trustworthiness, and depth, making it a popular choice in various design applications. The color's name is derived from the Latin word "caeruleus," which means "dark blue" or "sky blue". Historically, cerulean blue pigment was created using cobalt(II) stannate, offering a stable and lightfast blue. Its use dates back to the 1860s and has been favored by artists for its unique hue and stability. In the digital realm, #1E4AC9 is widely used in web design, graphic design, and digital art to create visually appealing and engaging content. Its cool undertones make it versatile and suitable for a wide range of applications.

The color #1E4AC9, a shade of cerulean blue, presents some accessibility considerations for web development. Its relatively dark hue means that careful attention must be paid to color contrast when choosing text or other foreground elements. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments to perceive content effectively. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Therefore, using #1E4AC9 as a background color requires pairing it with light-colored text, such as white or very light yellow, to ensure readability. Tools are readily available to check color contrast ratios and ensure compliance with accessibility standards. Furthermore, avoid using color alone to convey important information; always include text labels or other cues for users who may not be able to distinguish colors effectively. Thoughtful application of color enhances usability for all users, regardless of their visual abilities.

Shades

Digital Color Formats

RGB
30 74 201
RGB30 74 201
Red
Green
Blue
HSL
224.56deg 74.03% 45.29%
224.5674.0345.29HSL
Hue
Saturation
Lightness
HWB
224.56deg 11.76% 21.18%
224.5611.7621.18HWB
Hue
Whiteness
Blackness
hex#1E4AC9
rgb30 74 201
hsl224.56deg 74.03% 45.29%
cmyk85.07% 63.18% 0% 21.18%
hwb224.56deg 11.76% 21.18%
xyz-d650.14 0.09 0.56
oklch0.4673 0.2028 264.68
oklab0.4673 -0.02 -0.2
CMYK
85.07% 63.18% 0% 21.18%
85.0763.18021.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.09 0.56
0.140.090.56XYZ
X
Y
Z
OKLCH
0.4673 0.2028 264.68
0.46730.2028264.68LCH
Lightness
Chroma
Hue
OKLAB
0.4673 -0.02 -0.2
0.4673-0.02-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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