#558FFB
Vivid Blue
HEX
RGB
HSL
About #558FFB Vivid Blue
#558FFB is a vivid blue color. In the RGB color model, it is composed of 85 red, 143 green, and 251 blue. In the HSL color space, it has a hue of 219°, saturation of 95%, and lightness of 66%.
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 #558FFB in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
219°
Hue
95%
Saturation
66%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #558FFB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #558FFB against white and black backgrounds.
Aa#558FFB on White
Contrast Ratio3.13:1
AA ✗AA Large ✓AAA ✗
Aa#558FFB on Black
Contrast Ratio6.71:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #558FFB across different color formats.
| Format | Value |
|---|---|
| HEX | #558FFB |
| RGB | rgb(85, 143, 251) |
| HSL | hsl(219, 95%, 66%) |
| RGB Decimal | 85, 143, 251 |
| RGB Percent | 33.3%, 56.1%, 98.4% |
| CMYK (approx.) | 66%, 43%, 0%, 2% |
Related Palettes
12 palettes using #558FFB or similar colors