Smalt

#0A398E

General Information

The hexadecimal color code #0A398E represents a dark shade of blue, often referred to as "Smalt." In the RGB color model, it is composed of 3.92% red, 22.35% green, and 55.69% blue. This composition results in a color that is perceived as deep, cool, and somewhat muted. Smalt is a historic pigment made from potassium glass containing cobalt, known for its use in paintings and ceramics. In the context of color theory, #0A398E can evoke feelings of calmness, stability, and trust. It is often associated with professionalism and authority. Its dark nature means it requires careful consideration in design to ensure readability and accessibility when used with text or interactive elements. The color belongs to the blue color family, which is often used to convey trustworthiness, peace, and intelligence.

The color #0A398E, a deep shade of blue often referred to as Smalt, presents both challenges and opportunities regarding accessibility. Its low luminance value means it requires careful consideration when used as a text or interactive element color. According to WCAG guidelines, sufficient contrast is crucial for readability. When using #0A398E for text, it is imperative to pair it with a light background color to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Failure to meet these contrast requirements can result in content that is difficult or impossible for users with visual impairments to read. In user interface design, avoid using #0A398E as the sole indicator of interactive elements, instead, provide additional visual cues such as underlines or icons to enhance usability for all users. When using this color for decorative purposes, consider its impact on users with cognitive disabilities, ensuring it doesn't create visual clutter or distract from essential information. For graphical elements, be sure to provide alternative text descriptions for screen readers.

Shades

Digital Color Formats

RGB
10 57 142
RGB10 57 142
Red
Green
Blue
HSL
218.64deg 86.84% 29.8%
218.6486.8429.8HSL
Hue
Saturation
Lightness
HWB
218.64deg 3.92% 44.31%
218.643.9244.31HWB
Hue
Whiteness
Blackness
hex#0A398E
rgb10 57 142
hsl218.64deg 86.84% 29.8%
cmyk92.96% 59.86% 0% 44.31%
hwb218.64deg 3.92% 44.31%
xyz-d650.06 0.05 0.26
oklch0.3743 0.1493 261.39
oklab0.3743 -0.02 -0.15
CMYK
92.96% 59.86% 0% 44.31%
92.9659.86044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.05 0.26
0.060.050.26XYZ
X
Y
Z
OKLCH
0.3743 0.1493 261.39
0.37430.1493261.39LCH
Lightness
Chroma
Hue
OKLAB
0.3743 -0.02 -0.15
0.3743-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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