#1F3389
Blue
HEX
RGB
HSL
About #1F3389 Blue
#1F3389 is a blue color. In the RGB color model, it is composed of 31 red, 51 green, and 137 blue. In the HSL color space, it has a hue of 229°, saturation of 63%, and lightness of 33%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code
Use #1F3389 in your CSS, SCSS, or Tailwind projects.
Color Properties
229°
Hue
63%
Saturation
33%
Lightness
Blue
Color Harmonies
Colors that work well with #1F3389 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1F3389 against white and black backgrounds.
Aa#1F3389 on White
Contrast Ratio11.09:1
AA ✓AA Large ✓AAA ✓
Aa#1F3389 on Black
Contrast Ratio1.89:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1F3389 across different color formats.
| Format | Value |
|---|---|
| HEX | #1F3389 |
| RGB | rgb(31, 51, 137) |
| HSL | hsl(229, 63%, 33%) |
| RGB Decimal | 31, 51, 137 |
| RGB Percent | 12.2%, 20.0%, 53.7% |
| CMYK (approx.) | 77%, 63%, 0%, 46% |
Related Palettes
12 palettes using #1F3389 or similar colors