#303D40
Dark Blue
HEX
RGB
HSL
About #303D40 Dark Blue
#303D40 is a dark blue color. In the RGB color model, it is composed of 48 red, 61 green, and 64 blue. In the HSL color space, it has a hue of 191°, saturation of 14%, and lightness of 22%.
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
Use #303D40 in your CSS, SCSS, or Tailwind projects.
Color Properties
191°
Hue
14%
Saturation
22%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #303D40 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #303D40 against white and black backgrounds.
Aa#303D40 on White
Contrast Ratio11.25:1
AA ✓AA Large ✓AAA ✓
Aa#303D40 on Black
Contrast Ratio1.87:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #303D40 across different color formats.
| Format | Value |
|---|---|
| HEX | #303D40 |
| RGB | rgb(48, 61, 64) |
| HSL | hsl(191, 14%, 22%) |
| RGB Decimal | 48, 61, 64 |
| RGB Percent | 18.8%, 23.9%, 25.1% |
| CMYK (approx.) | 25%, 5%, 0%, 75% |
Related Palettes
12 palettes using #303D40 or similar colors