Ultramarine

#170395

General Information about #170395 (Ultramarine)

The color #170395, also known as Ultramarine, is a deep and intense shade of blue that belongs to the blue color family. It's a dark color with a hexadecimal value of #170395, an RGB value of (23, 3, 149), and a CMYK value of (85, 98, 0, 42). Ultramarine historically derives from the pigment made by grinding lapis lazuli, a semi-precious stone. This makes it a color associated with royalty and importance throughout history. In modern usage, Ultramarine is used in various artistic and design contexts to evoke feelings of depth, stability, and sophistication. Its unique hue and rich history contribute to its enduring appeal in diverse applications.

The color #170395, a deep ultramarine, presents several accessibility challenges, especially in web design. Its low luminance value of approximately 2.5% means that text rendered in this color requires very light foreground text to meet WCAG (Web Content Accessibility Guidelines) contrast ratios. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When using #170395 as a background, ensure that any text or interactive elements placed on top have sufficient contrast. Consider using online contrast checkers to verify compliance. Additionally, avoid using this color as the sole indicator for important information, as users with visual impairments may not be able to distinguish it effectively. Provide alternative cues, such as labels, icons, or ARIA attributes, to ensure usability for all users.

Shades

Digital Color Formats

RGB
23 3 149
RGB23 3 149
Red
Green
Blue
HSL
248.22deg 96.05% 29.8%
248.2296.0529.8HSL
Hue
Saturation
Lightness
HWB
248.22deg 1.18% 41.57%
248.221.1841.57HWB
Hue
Whiteness
Blackness
hex#170395
rgb23 3 149
hsl248.22deg 96.05% 29.8%
cmyk84.56% 97.99% 0% 41.57%
hwb248.22deg 1.18% 41.57%
xyz-d650.06 0.02 0.29
oklch0.3132 0.2029 269.79
oklab0.3132 0 -0.2
CMYK
84.56% 97.99% 0% 41.57%
84.5697.99041.57CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.29
0.060.020.29XYZ
X
Y
Z
OKLCH
0.3132 0.2029 269.79
0.31320.2029269.79LCH
Lightness
Chroma
Hue
OKLAB
0.3132 0 -0.2
0.31320-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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