Ultramarine

#0A159D

General Information About Ultramarine

The hexadecimal color code #0A159D represents a dark shade of blue, often referred to as Ultramarine. It is composed of 3.92% red, 8.24% green, and 61.57% blue. In the RGB color model, this translates to 10 red, 21 green, and 157 blue. The corresponding CMYK values are 0.94, 0.87, 0.00, 0.38, meaning it requires 94% cyan, 87% magenta, 0% yellow, and 38% black to create this color in print. Ultramarine is commonly associated with feelings of stability, trust, and depth. It is frequently used in designs that aim to convey a sense of professionalism, sophistication, or reliability. This color is often found in corporate branding, website designs, and various visual communication materials where a strong and dependable impression is desired. Its dark hue also makes it suitable for creating contrast and highlighting important elements when paired with lighter colors.

The color #0A159D, also known as Ultramarine, presents several accessibility considerations for web developers. Its dark hue results in a low contrast ratio when paired with similarly dark colors, potentially making text or interactive elements difficult to read for users with visual impairments. To ensure optimal readability, it's crucial to use #0A159D with light backgrounds or complementary colors like its complement #F5EAFD. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Developers should use tools to check the contrast ratio of their color combinations. Also, providing alternative styling options, such as high-contrast themes, can greatly enhance accessibility for users with different visual needs. Using CSS and ARIA roles helps to further improve the accessibility of elements using this color, ensuring compatibility with screen readers and other assistive technologies. Remember that perceived brightness and color perception also play a vital role in evaluating accessibility, and testing with real users is highly recommended.

Shades

Digital Color Formats

RGB
10 21 157
RGB10 21 157
Red
Green
Blue
HSL
235.51deg 88.02% 32.75%
235.5188.0232.75HSL
Hue
Saturation
Lightness
HWB
235.51deg 3.92% 38.43%
235.513.9238.43HWB
Hue
Whiteness
Blackness
hex#0A159D
rgb10 21 157
hsl235.51deg 88.02% 32.75%
cmyk93.63% 86.62% 0% 38.43%
hwb235.51deg 3.92% 38.43%
xyz-d650.06 0.03 0.32
oklch0.3329 0.2056 265.93
oklab0.3329 -0.01 -0.21
CMYK
93.63% 86.62% 0% 38.43%
93.6386.62038.43CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.03 0.32
0.060.030.32XYZ
X
Y
Z
OKLCH
0.3329 0.2056 265.93
0.33290.2056265.93LCH
Lightness
Chroma
Hue
OKLAB
0.3329 -0.01 -0.21
0.3329-0.01-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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