Cerulean Blue

#2555C1

General Information about Cerulean Blue

The hex color #2555C1, commonly referred to as Cerulean Blue, is a captivating shade that resides in the blue color family. It is composed of 14.5% red, 33.3% green and 75.7% blue. In the RGB color model, this translates to R:37, G:85, B:193. Cerulean blue is often associated with feelings of calmness, tranquility, and stability. It is named after the cerulean pigment, which itself is derived from the Latin word 'caeruleus', meaning 'dark blue'. This particular shade of blue finds frequent application across a broad spectrum of media and design domains, ranging from web development and graphic design to interior decor and fashion. Its versatility stems from its ability to convey both a sense of professionalism and a touch of creative flair.

The hex color #2555C1, a deep shade of cerulean blue, presents specific accessibility considerations for web design. When used as a background color, it's crucial to ensure sufficient contrast with the foreground text or elements. A light-colored text (white or very pale yellow) is generally recommended to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratio, aiming for a minimum ratio of 4.5:1 for normal text and 3:1 for large text. If used for text, the color should be paired with a very dark background to maintain readability. Testing with accessibility tools is crucial. Avoid using this color for small, interactive elements without careful consideration of visual clarity for users with visual impairments. Consider providing alternative color schemes to accommodate users with color blindness, as this particular shade of blue may be difficult to distinguish for individuals with tritanopia or deuteranopia. Focus indicators for interactive elements should be highly visible against this background.

Shades

Digital Color Formats

RGB
37 85 193
RGB37 85 193
Red
Green
Blue
HSL
221.54deg 67.83% 45.1%
221.5467.8345.1HSL
Hue
Saturation
Lightness
HWB
221.54deg 14.51% 24.31%
221.5414.5124.31HWB
Hue
Whiteness
Blackness
hex#2555C1
rgb37 85 193
hsl221.54deg 67.83% 45.1%
cmyk80.83% 55.96% 0% 24.31%
hwb221.54deg 14.51% 24.31%
xyz-d650.14 0.11 0.52
oklch0.4839 0.1776 263.26
oklab0.4839 -0.02 -0.18
CMYK
80.83% 55.96% 0% 24.31%
80.8355.96024.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.11 0.52
0.140.110.52XYZ
X
Y
Z
OKLCH
0.4839 0.1776 263.26
0.48390.1776263.26LCH
Lightness
Chroma
Hue
OKLAB
0.4839 -0.02 -0.18
0.4839-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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