Cerulean Blue

#2545C1

About Cerulean Blue

The color #2545C1 is a shade of cerulean blue. Cerulean blue, named after the Latin word 'caeruleus', meaning 'dark blue' or 'sky-blue', falls within the blue color family. It is perceived as a cool and calming color, often associated with the sky and the sea. In color psychology, blue is often linked to feelings of trust, security, and stability. It is commonly used in branding for companies that want to project a sense of reliability and professionalism. In art, cerulean blue is valued for its transparent and slightly greenish undertone, making it ideal for depicting skies and water. The digital representation #2545C1 signifies a specific mix of red, green, and blue light intensities, defining its unique appearance within the digital color spectrum.

The hex color #2545C1, a deep cerulean blue, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it requires a light text color to ensure readability. A contrast ratio of at least 4.5:1 is recommended for body text, as per WCAG guidelines. For larger text (14pt bold or 18pt regular), a contrast ratio of 3:1 is acceptable. Using a color contrast checker can help determine suitable text colors. Conversely, when used as a text color, ensure the background is sufficiently light. Avoid pairing this color with dark shades, as this can lead to poor readability and a negative user experience, especially for individuals with visual impairments. It's also crucial to consider colorblindness. This particular shade may be difficult for those with tritanopia (blue-yellow color blindness) to distinguish from similar hues. Providing alternative visual cues, such as text labels or icons, can improve accessibility for all users.

Shades

Digital Color Formats

RGB
37 69 193
RGB37 69 193
Red
Green
Blue
HSL
227.69deg 67.83% 45.1%
227.6967.8345.1HSL
Hue
Saturation
Lightness
HWB
227.69deg 14.51% 24.31%
227.6914.5124.31HWB
Hue
Whiteness
Blackness
hex#2545C1
rgb37 69 193
hsl227.69deg 67.83% 45.1%
cmyk80.83% 64.25% 0% 24.31%
hwb227.69deg 14.51% 24.31%
xyz-d650.13 0.08 0.51
oklch0.453 0.1968 266.67
oklab0.453 -0.01 -0.2
CMYK
80.83% 64.25% 0% 24.31%
80.8364.25024.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.08 0.51
0.130.080.51XYZ
X
Y
Z
OKLCH
0.453 0.1968 266.67
0.4530.1968266.67LCH
Lightness
Chroma
Hue
OKLAB
0.453 -0.01 -0.2
0.453-0.01-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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