#1B3665
Blue
HEX
RGB
HSL
About #1B3665 Blue
#1B3665 is a blue color. In the RGB color model, it is composed of 27 red, 54 green, and 101 blue. In the HSL color space, it has a hue of 218°, saturation of 58%, and lightness of 25%.
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 & Gradients
Use #1B3665 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
218°
Hue
58%
Saturation
25%
Lightness
Blue
Color Harmonies
Colors that work well with #1B3665 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B3665 against white and black backgrounds.
Aa#1B3665 on White
Contrast Ratio11.92:1
AA ✓AA Large ✓AAA ✓
Aa#1B3665 on Black
Contrast Ratio1.76:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B3665 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B3665 |
| RGB | rgb(27, 54, 101) |
| HSL | hsl(218, 58%, 25%) |
| RGB Decimal | 27, 54, 101 |
| RGB Percent | 10.6%, 21.2%, 39.6% |
| CMYK (approx.) | 73%, 47%, 0%, 60% |
Related Palettes
12 palettes using #1B3665 or similar colors