#5B81FD
Vivid Blue
HEX
RGB
HSL
About #5B81FD Vivid Blue
#5B81FD is a vivid blue color. In the RGB color model, it is composed of 91 red, 129 green, and 253 blue. In the HSL color space, it has a hue of 226°, saturation of 98%, and lightness of 67%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With high saturation, it appears vibrant and eye-catching.
CSS Code & Gradients
Use #5B81FD in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
226°
Hue
98%
Saturation
67%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #5B81FD based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #5B81FD against white and black backgrounds.
Aa#5B81FD on White
Contrast Ratio3.5:1
AA ✗AA Large ✓AAA ✗
Aa#5B81FD on Black
Contrast Ratio6:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #5B81FD across different color formats.
| Format | Value |
|---|---|
| HEX | #5B81FD |
| RGB | rgb(91, 129, 253) |
| HSL | hsl(226, 98%, 67%) |
| RGB Decimal | 91, 129, 253 |
| RGB Percent | 35.7%, 50.6%, 99.2% |
| CMYK (approx.) | 64%, 49%, 0%, 1% |
Related Palettes
12 palettes using #5B81FD or similar colors