#001B66
Dark Blue
HEX
RGB
HSL
About #001B66 Dark Blue
#001B66 is a dark blue color. In the RGB color model, it is composed of 0 red, 27 green, and 102 blue. In the HSL color space, it has a hue of 224°, saturation of 100%, and lightness of 20%.
This color has a low lightness value, making it a dark color great for text and bold accents. With high saturation, it appears vibrant and eye-catching.
CSS Code
Use #001B66 in your CSS, SCSS, or Tailwind projects.
Color Properties
224°
Hue
100%
Saturation
20%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #001B66 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #001B66 against white and black backgrounds.
Aa#001B66 on White
Contrast Ratio15.57:1
AA ✓AA Large ✓AAA ✓
Aa#001B66 on Black
Contrast Ratio1.35:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #001B66 across different color formats.
| Format | Value |
|---|---|
| HEX | #001B66 |
| RGB | rgb(0, 27, 102) |
| HSL | hsl(224, 100%, 20%) |
| RGB Decimal | 0, 27, 102 |
| RGB Percent | 0.0%, 10.6%, 40.0% |
| CMYK (approx.) | 100%, 74%, 0%, 60% |
Related Palettes
12 palettes using #001B66 or similar colors