#1B313B
Dark Blue
HEX
RGB
HSL
About #1B313B Dark Blue
#1B313B is a dark blue color. In the RGB color model, it is composed of 27 red, 49 green, and 59 blue. In the HSL color space, it has a hue of 199°, saturation of 37%, and lightness of 17%.
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 #1B313B in your CSS, SCSS, or Tailwind projects.
Color Properties
199°
Hue
37%
Saturation
17%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #1B313B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B313B against white and black backgrounds.
Aa#1B313B on White
Contrast Ratio13.56:1
AA ✓AA Large ✓AAA ✓
Aa#1B313B on Black
Contrast Ratio1.55:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B313B across different color formats.
| Format | Value |
|---|---|
| HEX | #1B313B |
| RGB | rgb(27, 49, 59) |
| HSL | hsl(199, 37%, 17%) |
| RGB Decimal | 27, 49, 59 |
| RGB Percent | 10.6%, 19.2%, 23.1% |
| CMYK (approx.) | 54%, 17%, 0%, 77% |
Related Palettes
12 palettes using #1B313B or similar colors