#1B3183
Blue
HEX
RGB
HSL
About #1B3183 Blue
#1B3183 is a blue color. In the RGB color model, it is composed of 27 red, 49 green, and 131 blue. In the HSL color space, it has a hue of 227°, 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 #1B3183 in your CSS, SCSS, or Tailwind projects.
Color Properties
227°
Hue
66%
Saturation
31%
Lightness
Blue
Color Harmonies
Colors that work well with #1B3183 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B3183 against white and black backgrounds.
Aa#1B3183 on White
Contrast Ratio11.58:1
AA ✓AA Large ✓AAA ✓
Aa#1B3183 on Black
Contrast Ratio1.81:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B3183 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B3183 |
| RGB | rgb(27, 49, 131) |
| HSL | hsl(227, 66%, 31%) |
| RGB Decimal | 27, 49, 131 |
| RGB Percent | 10.6%, 19.2%, 51.4% |
| CMYK (approx.) | 79%, 63%, 0%, 49% |
Related Palettes
12 palettes using #1B3183 or similar colors