Cerulean Blue

#2556B1

General Information about Cerulean Blue

Cerulean Blue, represented by the hex code #2556B1, is a captivating shade of blue that resides in the cyan-blue hue family. This color is frequently associated with the sky and sea, evoking feelings of serenity, calmness, and trustworthiness. In color psychology, blue often symbolizes stability, depth, and intelligence. Cerulean Blue is commonly used in design to convey these attributes, making it a popular choice for branding, web design, and marketing materials. Its unique depth allows it to pair effectively with both warm and cool colors, providing versatility in various design contexts.

The hex color #2556B1, also known as Cerulean Blue, presents moderate accessibility challenges. Its contrast ratio against white is acceptable, but against darker backgrounds, it offers better readability. When using this color for text, consider a font size of at least 14 points for regular text and 12 points for bold text to improve legibility. To ensure optimal accessibility, particularly for users with visual impairments, pair it with lighter shades like white, light gray, or pale yellow. Avoid combining it with colors that are too similar in lightness or hue. Providing alternative text descriptions for images or interactive elements using this color is also crucial for screen reader users. Testing with accessibility evaluation tools is recommended to identify and address potential issues.

Shades

Digital Color Formats

RGB
37 86 177
RGB37 86 177
Red
Green
Blue
HSL
219deg 65.42% 41.96%
21965.4241.96HSL
Hue
Saturation
Lightness
HWB
219deg 14.51% 30.59%
21914.5130.59HWB
Hue
Whiteness
Blackness
hex#2556B1
rgb37 86 177
hsl219deg 65.42% 41.96%
cmyk79.1% 51.41% 0% 30.59%
hwb219deg 14.51% 30.59%
xyz-d650.12 0.1 0.43
oklch0.4734 0.1548 261.41
oklab0.4734 -0.02 -0.15
CMYK
79.1% 51.41% 0% 30.59%
79.151.41030.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.1 0.43
0.120.10.43XYZ
X
Y
Z
OKLCH
0.4734 0.1548 261.41
0.47340.1548261.41LCH
Lightness
Chroma
Hue
OKLAB
0.4734 -0.02 -0.15
0.4734-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons