#3999B1
Blue
HEX
RGB
HSL
About #3999B1 Blue
#3999B1 is a blue color. In the RGB color model, it is composed of 57 red, 153 green, and 177 blue. In the HSL color space, it has a hue of 192°, saturation of 51%, and lightness of 46%.
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 & Gradients
Use #3999B1 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
192°
Hue
51%
Saturation
46%
Lightness
Blue
Color Harmonies
Colors that work well with #3999B1 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #3999B1 against white and black backgrounds.
Aa#3999B1 on White
Contrast Ratio3.3:1
AA ✗AA Large ✓AAA ✗
Aa#3999B1 on Black
Contrast Ratio6.37:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #3999B1 across different color formats.
| Format | Value |
|---|---|
| HEX | #3999B1 |
| RGB | rgb(57, 153, 177) |
| HSL | hsl(192, 51%, 46%) |
| RGB Decimal | 57, 153, 177 |
| RGB Percent | 22.4%, 60.0%, 69.4% |
| CMYK (approx.) | 68%, 14%, 0%, 31% |
Related Palettes
12 palettes using #3999B1 or similar colors