Ultramarine

#1B0DA7

About Ultramarine (#1B0DA7)

The hex color #1B0DA7, also known as Ultramarine, is a deep shade of blue. It belongs to the blue color family, known for evoking feelings of calmness, trust, and stability. In the RGB color model, #1B0DA7 consists of 10.6% red, 5.1% green, and 65.5% blue. The color is frequently used in web design, graphic design, and branding to convey a sense of professionalism and authority. Ultramarine's rich and saturated tone makes it a popular choice for creating visually appealing and memorable designs. This color has been used for centuries and historically was made of Lapis Lazuli.

The color #1B0DA7, a deep ultramarine, presents specific accessibility challenges. Its low luminance value means that text rendered in this color requires careful consideration of contrast ratios. According to WCAG guidelines, sufficient contrast between text and background is crucial for readability, especially for users with visual impairments. When using #1B0DA7 for text, it's important to pair it with a very light color to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. In UI design, using this color for interactive elements necessitates clear visual cues beyond color alone, such as underlines or icons, to ensure usability for colorblind users. Additionally, avoid using #1B0DA7 as the sole indicator of important information, as it may not be perceivable by all users. Testing with accessibility evaluation tools is highly recommended.

Shades

Digital Color Formats

RGB
27 13 167
RGB27 13 167
Red
Green
Blue
HSL
245.45 85.56% 35.29%
245.4585.5635.29HSL
Hue
Saturation
Lightness
HWB
245.45 5.1% 34.51%
245.455.134.51HWB
Hue
Whiteness
Blackness
hex#1B0DA7
rgb27 13 167
hsl245.45 85.56% 35.29%
cmyk83.83% 92.22% 0% 34.51%
hwb245.45 5.1% 34.51%
xyz7.57 3.31 36.8
CMYK
83.83% 92.22% 0% 34.51%
83.8392.22034.51CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.57 3.31 36.8
7.573.3136.8XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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