Ultramarine

#150395

About Ultramarine

Ultramarine, represented by the hexadecimal color code #150395, is a deep, saturated shade of blue. Historically, Ultramarine pigment was derived from the precious gemstone lapis lazuli, making it highly valued and reserved for important artistic works, particularly in religious paintings to depict the robes of the Virgin Mary. Today, synthetic Ultramarine is widely available, offering the same vibrant color at a fraction of the cost. In color theory, Ultramarine is considered a cool color, often associated with feelings of calmness, stability, and authority. Its rich hue makes it a popular choice in various applications, from graphic design to fashion, where it can evoke a sense of sophistication and elegance. Its dark nature also means that careful consideration of contrast is needed when using it in designs to maintain accessibility.

The hex color #150395, also known as Ultramarine, presents significant accessibility challenges, particularly concerning color contrast. When used as text against a white background, the contrast ratio is very low, making it difficult for users with visual impairments to read. Similarly, using it as a background color with white text poses the same problem. To improve accessibility, consider using lighter shades of yellow, orange, or even brighter greens for text on an Ultramarine background, or pairing it with a much lighter tint of itself for backgrounds. Tools like contrast checkers can help determine if the color combinations meet WCAG (Web Content Accessibility Guidelines) standards, ensuring a more inclusive design. Proper use of ARIA labels and semantic HTML can further aid accessibility for screen reader users.

Shades

Digital Color Formats

RGB
21 3 149
RGB21 3 149
Red
Green
Blue
HSL
247.4deg 96.05% 29.8%
247.496.0529.8HSL
Hue
Saturation
Lightness
HWB
247.4deg 1.18% 41.57%
247.41.1841.57HWB
Hue
Whiteness
Blackness
hex#150395
rgb21 3 149
hsl247.4deg 96.05% 29.8%
cmyk85.91% 97.99% 0% 41.57%
hwb247.4deg 1.18% 41.57%
xyz-d650.06 0.02 0.29
oklch0.3122 0.2035 269.13
oklab0.3122 0 -0.2
CMYK
85.91% 97.99% 0% 41.57%
85.9197.99041.57CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.29
0.060.020.29XYZ
X
Y
Z
OKLCH
0.3122 0.2035 269.13
0.31220.2035269.13LCH
Lightness
Chroma
Hue
OKLAB
0.3122 0 -0.2
0.31220-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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