Blue

#1D21FB

General Information about #1D21FB

The hex color #1D21FB represents a vivid and intense shade of blue. In the RGB color model, it is composed of 11.4% red, 13.0% green, and 98.4% blue. This high concentration of blue gives it a strong presence and distinguishes it from softer or more muted blues. In the CMYK color model, used primarily for printing, #1D21FB translates to approximately 88% cyan, 87% magenta, 0% yellow, and 2% black. This indicates that it relies heavily on cyan and magenta to achieve its vibrant blue tone. Colors like #1D21FB tend to be attention-grabbing and are often associated with feelings of trust and authority. Historically, blue pigments were derived from minerals like lapis lazuli, making them highly prized. Today, synthetic dyes allow for the creation of vibrant blues like #1D21FB more easily.

The hex color #1D21FB, a vibrant shade of blue, presents some accessibility considerations for web developers. Due to its relatively low luminance, it's crucial to ensure sufficient contrast when used as text or background. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Pairing #1D21FB with lighter colors like white or pale yellow can achieve adequate contrast. Utilizing contrast checking tools is vital to verify compliance. Additionally, avoid relying solely on color to convey information; use text labels or icons to ensure inclusivity for users with visual impairments. Careful consideration of colorblindness is also essential; simulating different types of colorblindness can help identify potential issues and guide color selection.

Shades

Digital Color Formats

RGB
29 33 251
RGB29 33 251
Red
Green
Blue
HSL
238.92 96.52% 54.9%
238.9296.5254.9HSL
Hue
Saturation
Lightness
HWB
238.92 11.37% 1.57%
238.9211.371.57HWB
Hue
Whiteness
Blackness
hex#1D21FB
rgb29 33 251
hsl238.92 96.52% 54.9%
cmyk88.45% 86.85% 0% 1.57%
hwb238.92 11.37% 1.57%
xyz18.46 8.31 91.9
CMYK
88.45% 86.85% 0% 1.57%
88.4586.8501.57CMYK
Cyan
Magenta
Yellow
Key
XYZ
18.46 8.31 91.9
18.468.3191.9XYZ
X
Y
Z

Alternative colors

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