Ultramarine

#0D138A

General Information about Ultramarine

The color #0D138A, also known as Ultramarine, is a deep shade of blue that conveys feelings of trust, stability, and intelligence. It is often associated with the ocean and the night sky, evoking a sense of depth and mystery. In the RGB color model, #0D138A consists of 5.1% red, 7.5% green, and 54.1% blue. It is a cool color that can be used to create a calming and sophisticated atmosphere. This hue is popular in various design fields, including web design, graphic design, and interior design. Its hexadecimal value makes it easily accessible for digital applications, while its rich tone makes it a favorite for creating striking visual effects. Its usage requires careful consideration of contrast and balance to ensure optimal visual impact.

The hex color #0D138A, also known as Ultramarine, presents specific accessibility challenges, particularly regarding color contrast. When used as a background color, it necessitates very light text colors to ensure readability, meeting WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using online contrast checkers is advisable to verify compliance. This deep blue hue can cause issues for users with low vision or color blindness if not paired carefully with appropriate foreground colors. Designers should also consider providing alternative color schemes to accommodate diverse user needs and preferences. It's crucial to test designs with assistive technologies to ensure usability for all individuals. Also avoid using this color for important information or call to action buttons without proper contrast. Using a slightly lighter tint of blue might improve accessibility while keeping the intended aesthetic.

Shades

Digital Color Formats

RGB
13 19 138
RGB13 19 138
Red
Green
Blue
HSL
237.12deg 82.78% 29.61%
237.1282.7829.61HSL
Hue
Saturation
Lightness
HWB
237.12deg 5.1% 45.88%
237.125.145.88HWB
Hue
Whiteness
Blackness
hex#0D138A
rgb13 19 138
hsl237.12deg 82.78% 29.61%
cmyk90.58% 86.23% 0% 45.88%
hwb237.12deg 5.1% 45.88%
xyz-d650.05 0.02 0.24
oklch0.3066 0.1846 267.12
oklab0.3066 -0.01 -0.18
CMYK
90.58% 86.23% 0% 45.88%
90.5886.23045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.24
0.050.020.24XYZ
X
Y
Z
OKLCH
0.3066 0.1846 267.12
0.30660.1846267.12LCH
Lightness
Chroma
Hue
OKLAB
0.3066 -0.01 -0.18
0.3066-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons