Ultramarine

#0A0F8B

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #0A0F8B, is a deep blue pigment originally derived from the precious stone lapis lazuli. The name 'ultramarine' comes from the Latin 'ultramarinus,' meaning 'beyond the sea,' as the pigment was imported to Europe from Asia. Chemically, it is a complex sodium aluminosilicate with sulfur. Known for its intense and vibrant hue, ultramarine has been highly valued as a pigment in paintings and other art forms since the Middle Ages. Its color is due to the presence of polysulfide ions within the crystal lattice of the mineral. Today, synthetic ultramarine is widely available, providing a more affordable and consistent alternative to the natural pigment. The color is often associated with royalty, spirituality, and the sea.

The accessibility of #0A0F8B (Ultramarine) is a crucial consideration for web developers. Given its dark hue, sufficient contrast with text and other elements is paramount. A light text color, such as white or a very pale yellow, is highly recommended to ensure readability. Tools like contrast checkers can assist in determining appropriate color pairings that meet WCAG (Web Content Accessibility Guidelines) standards. Using this color for large graphical elements or backgrounds is generally safer than using it for small text, as the contrast requirements are less stringent. Additionally, providing alternative cues, such as icons or text labels, can enhance accessibility for users with visual impairments. Remember to test the color scheme with users who have different visual capabilities to ensure inclusivity. Consideration should also be given to users accessing content on various devices with different screen calibrations.

Shades

Digital Color Formats

RGB
10 15 139
RGB10 15 139
Red
Green
Blue
HSL
237.67deg 86.58% 29.22%
237.6786.5829.22HSL
Hue
Saturation
Lightness
HWB
237.67deg 3.92% 45.49%
237.673.9245.49HWB
Hue
Whiteness
Blackness
hex#0A0F8B
rgb10 15 139
hsl237.67deg 86.58% 29.22%
cmyk92.81% 89.21% 0% 45.49%
hwb237.67deg 3.92% 45.49%
xyz-d650.05 0.02 0.25
oklch0.303 0.1891 266.48
oklab0.303 -0.01 -0.19
CMYK
92.81% 89.21% 0% 45.49%
92.8189.21045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.25
0.050.020.25XYZ
X
Y
Z
OKLCH
0.303 0.1891 266.48
0.3030.1891266.48LCH
Lightness
Chroma
Hue
OKLAB
0.303 -0.01 -0.19
0.303-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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