Cerulean Blue

#215AB5

General Information about Cerulean Blue

Cerulean Blue, represented by the hex code #215AB5, is a medium-dark shade of blue that evokes feelings of calmness, stability, and trust. It falls within the blue color family, known for its association with serenity and intelligence. This particular shade of blue has a slight greenish undertone, differentiating it from pure blues. In the RGB color model, #215AB5 is composed of 13.33% red, 35.69% green, and 70.98% blue. In the CMYK color model, it consists of 81.25% cyan, 49.75% magenta, 0% yellow, and 29.02% black. Cerulean Blue is often used in branding and marketing to convey a sense of reliability and professionalism. Its versatility makes it suitable for a wide range of applications, from corporate websites to artistic designs.

The color #215AB5, a shade of Cerulean Blue, presents some accessibility considerations for web developers. Its moderate luminance necessitates careful pairing with text colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text against its background. When using #215AB5 as a background, lighter text colors like white (#FFFFFF) or very light grays are generally advisable. Conversely, if #215AB5 is used as text, a darker background is required. Developers should utilize contrast checkers to verify compliance with accessibility standards and ensure readability for users with visual impairments. It's crucial to consider that color perception varies, so relying solely on color to convey important information should be avoided. Complementary cues, such as text labels or icons, should be incorporated to provide alternative means of understanding. Testing the color scheme with assistive technologies, like screen readers, will further ensure an inclusive user experience.

Shades

Digital Color Formats

RGB
33 90 181
RGB33 90 181
Red
Green
Blue
HSL
216.89deg 69.16% 41.96%
216.8969.1641.96HSL
Hue
Saturation
Lightness
HWB
216.89deg 12.94% 29.02%
216.8912.9429.02HWB
Hue
Whiteness
Blackness
hex#215AB5
rgb33 90 181
hsl216.89deg 69.16% 41.96%
cmyk81.77% 50.28% 0% 29.02%
hwb216.89deg 12.94% 29.02%
xyz-d650.13 0.11 0.45
oklch0.4838 0.1564 259.66
oklab0.4838 -0.03 -0.15
CMYK
81.77% 50.28% 0% 29.02%
81.7750.28029.02CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.11 0.45
0.130.110.45XYZ
X
Y
Z
OKLCH
0.4838 0.1564 259.66
0.48380.1564259.66LCH
Lightness
Chroma
Hue
OKLAB
0.4838 -0.03 -0.15
0.4838-0.03-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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