Cobalt

#003FBA

General Information about Cobalt (#003FBA)

Cobalt, represented by the hexadecimal color code #003FBA, is a deep, saturated shade of blue. It is named after the element Cobalt, which produces a similar hue in pigments and dyes. Cobalt has a rich history, dating back to ancient times, where it was used to color glass and ceramics. In the RGB color model, Cobalt is composed of 0% red, 25% green, and 73% blue. In the CMYK color model, it consists of 100% cyan, 66% magenta, 0% yellow, and 27% black. The color is often associated with qualities like trust, stability, intelligence, and authority. It is widely used in various applications, including art, design, and technology, and it invokes a sense of calmness and professionalism.

The hex color #003fba, also known as Cobalt, presents some accessibility challenges, particularly for users with visual impairments. Its relatively low luminance of 12% necessitates careful consideration of color contrast ratios. When used as a background color, it requires a light text color to meet WCAG (Web Content Accessibility Guidelines) standards for readability. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text. Black text on a Cobalt background would fail accessibility standards, while white or very light yellow text would generally pass. Designers should use color contrast checkers to ensure compliance. Avoid using this color for essential information or interactive elements without sufficient contrast. Providing alternative text descriptions for images and ensuring keyboard navigability will further enhance accessibility. Careful use of Cobalt can make websites more inclusive.

Shades

Digital Color Formats

RGB
0 63 186
RGB0 63 186
Red
Green
Blue
HSL
219.68deg 100% 36.47%
219.6810036.47HSL
Hue
Saturation
Lightness
HWB
219.68deg 0% 27.06%
219.68027.06HWB
Hue
Whiteness
Blackness
hex#003FBA
rgb0 63 186
hsl219.68deg 100% 36.47%
cmyk100% 66.13% 0% 27.06%
hwb219.68deg 0% 27.06%
xyz-d650.11 0.07 0.47
oklch0.4268 0.201 262.25
oklab0.4268 -0.03 -0.2
CMYK
100% 66.13% 0% 27.06%
10066.13027.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.07 0.47
0.110.070.47XYZ
X
Y
Z
OKLCH
0.4268 0.201 262.25
0.42680.201262.25LCH
Lightness
Chroma
Hue
OKLAB
0.4268 -0.03 -0.2
0.4268-0.03-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons