#183339
Dark Blue
HEX
RGB
HSL
About #183339 Dark Blue
#183339 is a dark blue color. In the RGB color model, it is composed of 24 red, 51 green, and 57 blue. In the HSL color space, it has a hue of 191°, saturation of 41%, and lightness of 16%.
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 #183339 in your CSS, SCSS, or Tailwind projects.
Color Properties
191°
Hue
41%
Saturation
16%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #183339 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #183339 against white and black backgrounds.
Aa#183339 on White
Contrast Ratio13.36:1
AA ✓AA Large ✓AAA ✓
Aa#183339 on Black
Contrast Ratio1.57:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #183339 across different color formats.
| Format | Value |
|---|---|
| HEX | #183339 |
| RGB | rgb(24, 51, 57) |
| HSL | hsl(191, 41%, 16%) |
| RGB Decimal | 24, 51, 57 |
| RGB Percent | 9.4%, 20.0%, 22.4% |
| CMYK (approx.) | 58%, 11%, 0%, 78% |
Related Palettes
12 palettes using #183339 or similar colors