Ultramarine

#0400A1

General Information About Ultramarine

Ultramarine, represented by the hexadecimal color code #0400A1, is a deep and intense shade of blue. It evokes feelings of calmness, trust, and authority. In the RGB color model, it is composed of 1.6% red, 0% green, and 63.1% blue. This color is often associated with royalty, knowledge, and stability. Historically, Ultramarine was derived from the precious stone lapis lazuli, making it a highly valued pigment. Today, synthetic alternatives are readily available, but the name still carries the weight of its rich history. In color psychology, Ultramarine is thought to promote focus and introspection. It is a popular choice for branding and design where reliability and expertise are desired.

The hex color #0400A1, also known as Ultramarine, presents significant accessibility challenges, primarily due to its low luminance. Its contrast ratio against white is very low, making text rendered in this color difficult to read for users with visual impairments. To ensure inclusivity, it is crucial to avoid using #0400A1 for text or essential interface elements on light backgrounds. When using this color, implement sufficient contrast by pairing it with very light hues such as white or near-white. If you are using #0400A1 as a background, then use white or very light hues for text. Consider also providing alternative color schemes to accommodate users with different visual needs. Tools like contrast checkers can help evaluate and improve the color's accessibility.

Shades

Digital Color Formats

RGB
4 0 161
RGB4 0 161
Red
Green
Blue
HSL
241.49deg 100% 31.57%
241.4910031.57HSL
Hue
Saturation
Lightness
HWB
241.49deg 0% 36.86%
241.49036.86HWB
Hue
Whiteness
Blackness
hex#0400A1
rgb4 0 161
hsl241.49deg 100% 31.57%
cmyk97.52% 100% 0% 36.86%
hwb241.49deg 0% 36.86%
xyz-d650.06 0.03 0.34
oklch0.3216 0.2213 264.81
oklab0.3216 -0.02 -0.22
CMYK
97.52% 100% 0% 36.86%
97.52100036.86CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.03 0.34
0.060.030.34XYZ
X
Y
Z
OKLCH
0.3216 0.2213 264.81
0.32160.2213264.81LCH
Lightness
Chroma
Hue
OKLAB
0.3216 -0.02 -0.22
0.3216-0.02-0.22LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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