Cobalt

#003FCA

About Cobalt Blue

The hex color #003FCA, also known as Cobalt, is a deep and vibrant shade of blue. It belongs to the blue color family and is characterized by its strong saturation and depth. In the RGB color model, it consists of 0 red, 63 green, and 202 blue. This color is often associated with feelings of stability, confidence, and intelligence, making it a popular choice in various applications, from branding to design. Cobalt blue has been historically significant, particularly in pigments and dyes. Its strong presence makes it suitable for use in logos, websites, and other visual materials that aim to convey trust and authority. The color's intensity can evoke both a sense of calm and a feeling of energy, depending on how it is used and paired with other colors. When working with #003FCA, it's important to consider its potential impact and ensure it aligns with the overall design objective.

The hex color #003FCA, also known as Cobalt, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it necessitates light text to ensure readability. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text to comply with WCAG guidelines. Tools like contrast checkers can help assess compliance. Designers should avoid pairing this color with similar dark hues as this makes the content illegible. Considering users with visual impairments is crucial, and providing alternative high-contrast themes can significantly enhance the user experience. Careful consideration and testing are essential when implementing #003FCA in user interfaces to maintain accessibility standards.

Shades

Digital Color Formats

RGB
0 63 202
RGB0 63 202
Red
Green
Blue
HSL
221.29deg 100% 39.61%
221.2910039.61HSL
Hue
Saturation
Lightness
HWB
221.29deg 0% 20.78%
221.29020.78HWB
Hue
Whiteness
Blackness
hex#003FCA
rgb0 63 202
hsl221.29deg 100% 39.61%
cmyk100% 68.81% 0% 20.78%
hwb221.29deg 0% 20.78%
xyz-d650.12 0.08 0.57
oklch0.443 0.2207 262.89
oklab0.443 -0.03 -0.22
CMYK
100% 68.81% 0% 20.78%
10068.81020.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.08 0.57
0.120.080.57XYZ
X
Y
Z
OKLCH
0.443 0.2207 262.89
0.4430.2207262.89LCH
Lightness
Chroma
Hue
OKLAB
0.443 -0.03 -0.22
0.443-0.03-0.22LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons