#183A53
Dark Blue
HEX
RGB
HSL
About #183A53 Dark Blue
#183A53 is a dark blue color. In the RGB color model, it is composed of 24 red, 58 green, and 83 blue. In the HSL color space, it has a hue of 205°, saturation of 55%, and lightness of 21%.
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 #183A53 in your CSS, SCSS, or Tailwind projects.
Color Properties
205°
Hue
55%
Saturation
21%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #183A53 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #183A53 against white and black backgrounds.
Aa#183A53 on White
Contrast Ratio11.87:1
AA ✓AA Large ✓AAA ✓
Aa#183A53 on Black
Contrast Ratio1.77:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #183A53 across different color formats.
| Format | Value |
|---|---|
| HEX | #183A53 |
| RGB | rgb(24, 58, 83) |
| HSL | hsl(205, 55%, 21%) |
| RGB Decimal | 24, 58, 83 |
| RGB Percent | 9.4%, 22.7%, 32.5% |
| CMYK (approx.) | 71%, 30%, 0%, 67% |
Related Palettes
12 palettes using #183A53 or similar colors