#399AEF
Vivid Blue
HEX
RGB
HSL
About #399AEF Vivid Blue
#399AEF is a vivid blue color. In the RGB color model, it is composed of 57 red, 154 green, and 239 blue. In the HSL color space, it has a hue of 208°, saturation of 85%, and lightness of 58%.
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
Use #399AEF in your CSS, SCSS, or Tailwind projects.
Color Properties
208°
Hue
85%
Saturation
58%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #399AEF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #399AEF against white and black backgrounds.
Aa#399AEF on White
Contrast Ratio2.98:1
AA ✗AA Large ✗AAA ✗
Aa#399AEF on Black
Contrast Ratio7.04:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #399AEF across different color formats.
| Format | Value |
|---|---|
| HEX | #399AEF |
| RGB | rgb(57, 154, 239) |
| HSL | hsl(208, 85%, 58%) |
| RGB Decimal | 57, 154, 239 |
| RGB Percent | 22.4%, 60.4%, 93.7% |
| CMYK (approx.) | 76%, 36%, 0%, 6% |
Related Palettes
12 palettes using #399AEF or similar colors