Cerulean Blue

#1F50B7

General Information

Cerulean Blue, represented by the hex code #1f50b7, is a captivating shade of blue that lies between azure and sky blue. Its name is derived from the Latin word 'caeruleus,' meaning 'dark blue' or 'sky-colored.' This color is widely recognized and appreciated for its association with the sky and ocean, evoking feelings of peace, serenity, and vastness. In color psychology, blue is often linked to trust, stability, and intelligence, making Cerulean Blue a popular choice in various fields, from art and design to branding and marketing. Its unique hue allows it to stand out while still maintaining a sense of professionalism and approachability, making it a versatile color for various applications.

The hex color #1f50b7, also known as Cerulean Blue, presents some accessibility considerations, especially when used for text or interactive elements. Its luminance is relatively low, which means it needs careful pairing with contrasting colors to ensure readability. For text, it is crucial to use a light color such as white or a very pale yellow to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratio. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. In user interface design, ensure that interactive elements like buttons or links using #1f50b7 have clear visual cues and sufficient contrast to be easily identifiable by users with visual impairments. Avoid using it as the sole indicator of an interactive element, and always provide alternative cues like underlines or icons.

Shades

Digital Color Formats

RGB
31 80 183
RGB31 80 183
Red
Green
Blue
HSL
220.66deg 71.03% 41.96%
220.6671.0341.96HSL
Hue
Saturation
Lightness
HWB
220.66deg 12.16% 28.24%
220.6612.1628.24HWB
Hue
Whiteness
Blackness
hex#1F50B7
rgb31 80 183
hsl220.66deg 71.03% 41.96%
cmyk83.06% 56.28% 0% 28.24%
hwb220.66deg 12.16% 28.24%
xyz-d650.12 0.09 0.46
oklch0.4636 0.1718 262.6
oklab0.4636 -0.02 -0.17
CMYK
83.06% 56.28% 0% 28.24%
83.0656.28028.24CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.46
0.120.090.46XYZ
X
Y
Z
OKLCH
0.4636 0.1718 262.6
0.46360.1718262.6LCH
Lightness
Chroma
Hue
OKLAB
0.4636 -0.02 -0.17
0.4636-0.02-0.17LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons