#243B40
Dark Blue
HEX
RGB
HSL
About #243B40 Dark Blue
#243B40 is a dark blue color. In the RGB color model, it is composed of 36 red, 59 green, and 64 blue. In the HSL color space, it has a hue of 191°, saturation of 28%, and lightness of 20%.
This color has a low lightness value, making it a dark color great for text and bold accents. With low saturation, it appears muted and subtle.
CSS Code & Gradients
Use #243B40 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
191°
Hue
28%
Saturation
20%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #243B40 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #243B40 against white and black backgrounds.
Aa#243B40 on White
Contrast Ratio11.83:1
AA ✓AA Large ✓AAA ✓
Aa#243B40 on Black
Contrast Ratio1.77:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #243B40 across different color formats.
| Format | Value |
|---|---|
| HEX | #243B40 |
| RGB | rgb(36, 59, 64) |
| HSL | hsl(191, 28%, 20%) |
| RGB Decimal | 36, 59, 64 |
| RGB Percent | 14.1%, 23.1%, 25.1% |
| CMYK (approx.) | 44%, 8%, 0%, 75% |
Related Palettes
12 palettes using #243B40 or similar colors