Cerulean Blue

#2550B1

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #2550B1, is a captivating shade of blue that evokes feelings of tranquility and serenity. It falls within the blue color family, positioned between cyan and azure on the color spectrum. This particular hue is characterized by its moderate saturation and brightness, rendering it both soothing and visually appealing. Cerulean Blue is often associated with clear skies and calm waters, making it a popular choice in various design applications. Its unique combination of blue tones creates a versatile color that can be used to convey feelings of stability, trustworthiness, and peace, which can be useful in branding and marketing. This color is also useful for creating a sense of calm in graphic design and website design.

The hex color #2550B1, Cerulean Blue, presents some accessibility challenges, especially in text applications. Its relatively low luminance value means that it requires careful consideration of contrast ratios against background colors. According to WCAG guidelines, sufficient contrast is essential for readability and usability, particularly for users with visual impairments. When using Cerulean Blue for text, it's crucial to pair it with a light background color to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. For decorative elements, a contrast ratio of 3:1 should be considered. Using online contrast checkers is highly recommended to verify compliance. Avoid using this color for crucial information or calls to action without proper contrast to maintain accessibility for all users. Also, be mindful of color blindness; ensure that information conveyed through color is also available through other visual cues.

Shades

Digital Color Formats

RGB
37 80 177
RGB37 80 177
Red
Green
Blue
HSL
221.57deg 65.42% 41.96%
221.5765.4241.96HSL
Hue
Saturation
Lightness
HWB
221.57deg 14.51% 30.59%
221.5714.5130.59HWB
Hue
Whiteness
Blackness
hex#2550B1
rgb37 80 177
hsl221.57deg 65.42% 41.96%
cmyk79.1% 54.8% 0% 30.59%
hwb221.57deg 14.51% 30.59%
xyz-d650.12 0.09 0.43
oklch0.4606 0.1622 263.39
oklab0.4606 -0.02 -0.16
CMYK
79.1% 54.8% 0% 30.59%
79.154.8030.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.43
0.120.090.43XYZ
X
Y
Z
OKLCH
0.4606 0.1622 263.39
0.46060.1622263.39LCH
Lightness
Chroma
Hue
OKLAB
0.4606 -0.02 -0.16
0.4606-0.02-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons