#183F77
Blue
HEX
RGB
HSL
About #183F77 Blue
#183F77 is a blue color. In the RGB color model, it is composed of 24 red, 63 green, and 119 blue. In the HSL color space, it has a hue of 215°, saturation of 66%, and lightness of 28%.
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 #183F77 in your CSS, SCSS, or Tailwind projects.
Color Properties
215°
Hue
66%
Saturation
28%
Lightness
Blue
Color Harmonies
Colors that work well with #183F77 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #183F77 against white and black backgrounds.
Aa#183F77 on White
Contrast Ratio10.42:1
AA ✓AA Large ✓AAA ✓
Aa#183F77 on Black
Contrast Ratio2.02:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #183F77 across different color formats.
| Format | Value |
|---|---|
| HEX | #183F77 |
| RGB | rgb(24, 63, 119) |
| HSL | hsl(215, 66%, 28%) |
| RGB Decimal | 24, 63, 119 |
| RGB Percent | 9.4%, 24.7%, 46.7% |
| CMYK (approx.) | 80%, 47%, 0%, 53% |
Related Palettes
12 palettes using #183F77 or similar colors