#1B4564
Blue
HEX
RGB
HSL
About #1B4564 Blue
#1B4564 is a blue color. In the RGB color model, it is composed of 27 red, 69 green, and 100 blue. In the HSL color space, it has a hue of 205°, saturation of 57%, 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
Use #1B4564 in your CSS, SCSS, or Tailwind projects.
Color Properties
205°
Hue
57%
Saturation
25%
Lightness
Blue
Color Harmonies
Colors that work well with #1B4564 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1B4564 against white and black backgrounds.
Aa#1B4564 on White
Contrast Ratio10.09:1
AA ✓AA Large ✓AAA ✓
Aa#1B4564 on Black
Contrast Ratio2.08:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1B4564 across different color formats.
| Format | Value |
|---|---|
| HEX | #1B4564 |
| RGB | rgb(27, 69, 100) |
| HSL | hsl(205, 57%, 25%) |
| RGB Decimal | 27, 69, 100 |
| RGB Percent | 10.6%, 27.1%, 39.2% |
| CMYK (approx.) | 73%, 31%, 0%, 61% |
Related Palettes
12 palettes using #1B4564 or similar colors