Cerulean Blue

#1B50BB

General Information about Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #1B50BB, is a captivating shade that sits between azure and sky blue on the color spectrum. It evokes feelings of serenity, openness, and inspiration, making it a popular choice across various creative fields. This particular shade of cerulean is characterized by its moderate saturation and balanced hue, lending it a sophisticated and contemporary appeal. Cerulean blue's association with the sky and sea contributes to its calming effect and its widespread use in designs aiming to create a sense of tranquility and spaciousness. Its versatility allows it to blend harmoniously with a wide range of colors, from warm earthy tones to cool metallic shades.

The color #1B50BB, a shade of cerulean blue, presents moderate accessibility challenges. Its contrast ratio against a white background is approximately 3.7:1, which is below the WCAG AA standard of 4.5:1 for normal text. To ensure readability for users with visual impairments, it's crucial to use this color for larger text (14pt bold or 18pt regular) or graphical elements where the contrast requirements are less stringent. When using #1B50BB for text, consider pairing it with lighter backgrounds or using a darker shade of blue to increase contrast. Additionally, avoid using it as the sole indicator for important interactive elements, as users who are colorblind might not be able to differentiate it effectively. Providing secondary cues, such as labels or icons, enhances the overall accessibility of your design.

Shades

Digital Color Formats

RGB
27 80 187
RGB27 80 187
Red
Green
Blue
HSL
220.13deg 74.77% 41.96%
220.1374.7741.96HSL
Hue
Saturation
Lightness
HWB
220.13deg 10.59% 26.67%
220.1310.5926.67HWB
Hue
Whiteness
Blackness
hex#1B50BB
rgb27 80 187
hsl220.13deg 74.77% 41.96%
cmyk85.56% 57.22% 0% 26.67%
hwb220.13deg 10.59% 26.67%
xyz-d650.12 0.1 0.48
oklch0.4658 0.178 262.21
oklab0.4658 -0.02 -0.18
CMYK
85.56% 57.22% 0% 26.67%
85.5657.22026.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.1 0.48
0.120.10.48XYZ
X
Y
Z
OKLCH
0.4658 0.178 262.21
0.46580.178262.21LCH
Lightness
Chroma
Hue
OKLAB
0.4658 -0.02 -0.18
0.4658-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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