#1D288B
Blue
HEX
RGB
HSL
About #1D288B Blue
#1D288B is a blue color. In the RGB color model, it is composed of 29 red, 40 green, and 139 blue. In the HSL color space, it has a hue of 234°, saturation of 65%, and lightness of 33%.
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 #1D288B in your CSS, SCSS, or Tailwind projects.
Color Properties
234°
Hue
65%
Saturation
33%
Lightness
Blue
Color Harmonies
Colors that work well with #1D288B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #1D288B against white and black backgrounds.
Aa#1D288B on White
Contrast Ratio12.15:1
AA ✓AA Large ✓AAA ✓
Aa#1D288B on Black
Contrast Ratio1.73:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #1D288B across different color formats.
| Format | Value |
|---|---|
| HEX | #1D288B |
| RGB | rgb(29, 40, 139) |
| HSL | hsl(234, 65%, 33%) |
| RGB Decimal | 29, 40, 139 |
| RGB Percent | 11.4%, 15.7%, 54.5% |
| CMYK (approx.) | 79%, 71%, 0%, 45% |
Related Palettes
12 palettes using #1D288B or similar colors