#123D59
Dark Blue
HEX
RGB
HSL
About #123D59 Dark Blue
#123D59 is a dark blue color. In the RGB color model, it is composed of 18 red, 61 green, and 89 blue. In the HSL color space, it has a hue of 204°, saturation of 66%, and lightness of 21%.
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 #123D59 in your CSS, SCSS, or Tailwind projects.
Color Properties
204°
Hue
66%
Saturation
21%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #123D59 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #123D59 against white and black backgrounds.
Aa#123D59 on White
Contrast Ratio11.43:1
AA ✓AA Large ✓AAA ✓
Aa#123D59 on Black
Contrast Ratio1.84:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #123D59 across different color formats.
| Format | Value |
|---|---|
| HEX | #123D59 |
| RGB | rgb(18, 61, 89) |
| HSL | hsl(204, 66%, 21%) |
| RGB Decimal | 18, 61, 89 |
| RGB Percent | 7.1%, 23.9%, 34.9% |
| CMYK (approx.) | 80%, 31%, 0%, 65% |
Related Palettes
12 palettes using #123D59 or similar colors