Blue

#001BFF

General Information about #001BFF

The color #001BFF is a vibrant shade of blue, characterized by the dominance of blue in its RGB composition (Red: 0, Green: 27, Blue: 255). This hex code represents a pure, intense blue hue, often associated with feelings of trust, stability, and intelligence. In color theory, blue is considered a cool color, known for its calming and soothing effects. Its usage can evoke a sense of depth, vastness, and serenity, reminiscent of the ocean or the sky. The color blue is found in a variety of usages, like the color of the sky, water or plants. Because of the strong blue component, this hex color can be considered as a primary color when creating websites or paintings. The color is also very powerful and can be too overwhelming for some people.

The hex color #001BFF presents unique accessibility considerations for web developers. With its strong blue hue and minimal red and green components, it offers substantial contrast against white backgrounds, typically meeting WCAG AA standards for normal text. However, when paired with darker backgrounds, the contrast may fall short, requiring careful evaluation. Developers should use contrast checking tools to ensure a minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. Additionally, avoid relying solely on color to convey important information, as color-blind users may struggle to distinguish this shade. Provide alternative cues such as text labels or icons. Consider the use of the 'aria-describedby' attribute to link descriptive text to elements using this color, enhancing accessibility for screen reader users.

Shades

Digital Color Formats

RGB
0 27 255
RGB0 27 255
Red
Green
Blue
HSL
233.65deg 100% 50%
233.6510050HSL
Hue
Saturation
Lightness
HWB
233.65deg 0% 0%
233.6500HWB
Hue
Whiteness
Blackness
hex#001BFF
rgb0 27 255
hsl233.65deg 100% 50%
cmyk100% 89.41% 0% 0%
hwb233.65deg 0% 0%
xyz-d650.18 0.08 0.95
oklch0.4634 0.3055 264.21
oklab0.4634 -0.03 -0.3
CMYK
100% 89.41% 0% 0%
10089.4100CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.18 0.08 0.95
0.180.080.95XYZ
X
Y
Z
OKLCH
0.4634 0.3055 264.21
0.46340.3055264.21LCH
Lightness
Chroma
Hue
OKLAB
0.4634 -0.03 -0.3
0.4634-0.03-0.3LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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