#337FDB
Blue
HEX
RGB
HSL
About #337FDB Blue
#337FDB is a blue color. In the RGB color model, it is composed of 51 red, 127 green, and 219 blue. In the HSL color space, it has a hue of 213°, saturation of 70%, and lightness of 53%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #337FDB in your CSS, SCSS, or Tailwind projects.
Color Properties
213°
Hue
70%
Saturation
53%
Lightness
Blue
Color Harmonies
Colors that work well with #337FDB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #337FDB against white and black backgrounds.
Aa#337FDB on White
Contrast Ratio4.04:1
AA ✗AA Large ✓AAA ✗
Aa#337FDB on Black
Contrast Ratio5.2:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #337FDB across different color formats.
| Format | Value |
|---|---|
| HEX | #337FDB |
| RGB | rgb(51, 127, 219) |
| HSL | hsl(213, 70%, 53%) |
| RGB Decimal | 51, 127, 219 |
| RGB Percent | 20.0%, 49.8%, 85.9% |
| CMYK (approx.) | 77%, 42%, 0%, 14% |
Related Palettes
12 palettes using #337FDB or similar colors