#1B3783
Blue
HEX
RGB
HSL
About #1B3783 Blue
#1B3783 is a blue color. In the RGB color model, it is composed of 27 red, 55 green, and 131 blue. In the HSL color space, it has a hue of 224°, saturation of 66%, and lightness of 31%.
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 #1B3783 in your CSS, SCSS, or Tailwind projects.
Color Properties
224°
Hue
66%
Saturation
31%
Lightness
Blue
Color Harmonies
Colors that work well with #1B3783 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B3783 against white and black backgrounds.
Aa#1B3783 on White
Contrast Ratio10.93:1
AA ✓AA Large ✓AAA ✓
Aa#1B3783 on Black
Contrast Ratio1.92:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B3783 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B3783 |
| RGB | rgb(27, 55, 131) |
| HSL | hsl(224, 66%, 31%) |
| RGB Decimal | 27, 55, 131 |
| RGB Percent | 10.6%, 21.6%, 51.4% |
| CMYK (approx.) | 79%, 58%, 0%, 49% |
Related Palettes
12 palettes using #1B3783 or similar colors