Ultramarine

#000598

General Information about Ultramarine

The color #000598, also known as Ultramarine, is a very dark shade of blue. It belongs to the blue color family, which is often associated with feelings of calmness, stability, and trust. In the RGB color model, it is composed of 0% red, 0.31% green, and 59.61% blue. Its CMYK values are 100% cyan, 99% magenta, 0% yellow, and 63% black. This dark shade of blue can evoke feelings of depth, sophistication, and mystery. Ultramarine's historical significance lies in its origin as a pigment derived from the precious mineral lapis lazuli. This made it highly valued and expensive, often used in medieval and Renaissance paintings, particularly for depicting the robes of the Virgin Mary. Because of its origins it was most often associated with royalty and piety.

The hex color #000598, a very dark shade of blue known as Ultramarine, presents significant accessibility challenges, especially in web design. Due to its extremely low luminance, text rendered in this color requires very light foreground colors to meet WCAG (Web Content Accessibility Guidelines) contrast ratio requirements. A sufficient contrast ratio is crucial for users with visual impairments to distinguish text from the background. Using lighter shades of yellow, white, or even pale blues or greens as foreground colors would be necessary to ensure readability. Web developers must meticulously test color combinations using tools that measure contrast ratios to comply with accessibility standards. In cases where this color is essential for branding, offering alternative high-contrast themes becomes a practical approach to accommodate users with diverse visual needs. Therefore, while the aesthetic appeal of #000598 might be considerable, its application demands careful consideration of accessibility implications.

Shades

Digital Color Formats

RGB
0 5 152
RGB0 5 152
Red
Green
Blue
HSL
238.03deg 100% 29.8%
238.0310029.8HSL
Hue
Saturation
Lightness
HWB
238.03deg 0% 40.39%
238.03040.39HWB
Hue
Whiteness
Blackness
hex#000598
rgb0 5 152
hsl238.03deg 100% 29.8%
cmyk100% 96.71% 0% 40.39%
hwb238.03deg 0% 40.39%
xyz-d650.06 0.02 0.3
oklch0.3107 0.2106 264.15
oklab0.3107 -0.02 -0.21
CMYK
100% 96.71% 0% 40.39%
10096.71040.39CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.3
0.060.020.3XYZ
X
Y
Z
OKLCH
0.3107 0.2106 264.15
0.31070.2106264.15LCH
Lightness
Chroma
Hue
OKLAB
0.3107 -0.02 -0.21
0.3107-0.02-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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