Ultramarine

#150D8E

General Information About Hex Color #150D8E

The hexadecimal color code #150D8E represents a dark shade of blue, specifically classified as Ultramarine in some contexts. In the RGB color model, it is composed of 8.24% red, 5.1% green, and 55.69% blue. This significant presence of blue gives the color its distinctive hue. The color is often associated with qualities like depth, stability, and trust. It is frequently used in corporate branding to convey a sense of reliability and professionalism. Its dark nature means it absorbs a significant amount of light, making it a less reflective color. The color is situated in the blue-violet spectrum and is often perceived as a cool color, evoking feelings of calmness and serenity. Historically, Ultramarine was derived from the gemstone lapis lazuli, making it a highly prized and expensive pigment. Today, synthetic versions allow for wider accessibility and use.

The color #150D8E, a deep shade of ultramarine, presents some accessibility challenges, particularly in text-based applications. Its low luminance value means that it requires careful consideration of contrast ratios when paired with foreground elements. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments to perceive content effectively. When using #150D8E as a background, it's essential to select a light foreground color, such as white or a very light gray, to achieve a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Tools like contrast checkers can help ensure compliance. Additionally, avoid using this color to convey critical information without providing alternative cues, such as labels or icons, to accommodate users who may have difficulty distinguishing it. Furthermore, consider the needs of users with color vision deficiencies by ensuring that information is not solely conveyed through color. Semantic HTML and ARIA attributes can be leveraged to enhance the accessibility of content using this color.

Shades

Digital Color Formats

RGB
21 13 142
RGB21 13 142
Red
Green
Blue
HSL
243.72 83.23% 30.39%
243.7283.2330.39HSL
Hue
Saturation
Lightness
HWB
243.72 5.1% 44.31%
243.725.144.31HWB
Hue
Whiteness
Blackness
hex#150D8E
rgb21 13 142
hsl243.72 83.23% 30.39%
cmyk85.21% 90.85% 0% 44.31%
hwb243.72 5.1% 44.31%
xyz5.34 2.4 25.77
CMYK
85.21% 90.85% 0% 44.31%
85.2190.85044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ
5.34 2.4 25.77
5.342.425.77XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025