Ultramarine

#0A158E

General Information about Ultramarine

The hexadecimal color code #0A158E, also known as Ultramarine, is a deep shade of blue. It is composed of 3.92% red, 8.24% green, and 55.69% blue. In the RGB color model, this translates to 10 red, 21 green, and 142 blue. Ultramarine derives its name from the pigment originally made from lapis lazuli, a semi-precious stone. Historically, it was a highly prized pigment, used in paintings and decorations. Today, it is synthetically produced, making it more accessible. The color evokes feelings of calmness, stability, and depth, often associated with the ocean and the night sky. Its rich and intense hue makes it a popular choice in various applications, from graphic design to fashion.

The color #0A158E, a deep ultramarine, presents several accessibility considerations for web development. Its low lightness value means it requires careful pairing with contrasting colors to ensure readability. Text rendered in #0A158E on a white background may not meet WCAG standards for contrast ratio, potentially causing issues for users with visual impairments. To improve accessibility, consider using a lighter text color such as white or a very pale yellow. Additionally, avoid using this color for essential visual elements like links or buttons without sufficient contrast. Providing alternative text descriptions for images or icons using this color is also crucial for screen reader users. Thoughtful design choices will ensure inclusivity and improve the user experience for everyone.

Shades

Digital Color Formats

RGB
10 21 142
RGB10 21 142
Red
Green
Blue
HSL
235deg 86.84% 29.8%
23586.8429.8HSL
Hue
Saturation
Lightness
HWB
235deg 3.92% 44.31%
2353.9244.31HWB
Hue
Whiteness
Blackness
hex#0A158E
rgb10 21 142
hsl235deg 86.84% 29.8%
cmyk92.96% 85.21% 0% 44.31%
hwb235deg 3.92% 44.31%
xyz-d650.05 0.03 0.26
oklch0.3132 0.1884 266.26
oklab0.3132 -0.01 -0.19
CMYK
92.96% 85.21% 0% 44.31%
92.9685.21044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.03 0.26
0.050.030.26XYZ
X
Y
Z
OKLCH
0.3132 0.1884 266.26
0.31320.1884266.26LCH
Lightness
Chroma
Hue
OKLAB
0.3132 -0.01 -0.19
0.3132-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons