Cobalt

#003FBD

General Information about Cobalt (#003FBD)

The hex color #003FBD, commonly known as Cobalt, is a captivating shade of blue that evokes feelings of depth, stability, and sophistication. It resides in the blue color family, characterized by its cool undertones and rich pigmentation. In the RGB color model, #003FBD is composed of 0% red, 24.7% green, and 74.1% blue. This composition gives Cobalt its distinct, deep-blue hue. Cobalt blue has historical significance, originating from the pigment cobalt aluminate, and is used in various applications, including paints, ceramics, and glass. In web design, it serves as a versatile color choice, suitable for backgrounds, accents, or primary design elements, depending on the desired aesthetic and mood. It’s important to consider accessibility when using cobalt, as it may require careful pairing with contrasting colors to ensure readability, especially for text.

The hex color #003FBD, also known as Cobalt, presents specific accessibility considerations for web developers. Its relatively low luminance can create challenges in ensuring sufficient contrast with background colors, particularly for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #003FBD for text, it is crucial to select a background color that meets these contrast requirements to guarantee readability. White or very light shades of gray or yellow are often suitable choices, but it is essential to test the color combination using accessibility tools to confirm compliance. Furthermore, avoid using #003FBD for essential UI elements without proper contrast, as this can hinder usability for individuals with low vision or color blindness.

Shades

Digital Color Formats

RGB
0 63 189
RGB0 63 189
Red
Green
Blue
HSL
220deg 100% 37.06%
22010037.06HSL
Hue
Saturation
Lightness
HWB
220deg 0% 25.88%
220025.88HWB
Hue
Whiteness
Blackness
hex#003FBD
rgb0 63 189
hsl220deg 100% 37.06%
cmyk100% 66.67% 0% 25.88%
hwb220deg 0% 25.88%
xyz-d650.11 0.07 0.49
oklch0.4298 0.2047 262.39
oklab0.4298 -0.03 -0.2
CMYK
100% 66.67% 0% 25.88%
10066.67025.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.07 0.49
0.110.070.49XYZ
X
Y
Z
OKLCH
0.4298 0.2047 262.39
0.42980.2047262.39LCH
Lightness
Chroma
Hue
OKLAB
0.4298 -0.03 -0.2
0.4298-0.03-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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