#151B23
Dark Blue
HEX
RGB
HSL
About #151B23 Dark Blue
#151B23 is a dark blue color. In the RGB color model, it is composed of 21 red, 27 green, and 35 blue. In the HSL color space, it has a hue of 214°, saturation of 25%, and lightness of 11%.
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 #151B23 in your CSS, SCSS, or Tailwind projects.
Color Properties
214°
Hue
25%
Saturation
11%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #151B23 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #151B23 against white and black backgrounds.
Aa#151B23 on White
Contrast Ratio17.31:1
AA ✓AA Large ✓AAA ✓
Aa#151B23 on Black
Contrast Ratio1.21:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #151B23 across different color formats.
| Format | Value |
|---|---|
| HEX | #151B23 |
| RGB | rgb(21, 27, 35) |
| HSL | hsl(214, 25%, 11%) |
| RGB Decimal | 21, 27, 35 |
| RGB Percent | 8.2%, 10.6%, 13.7% |
| CMYK (approx.) | 40%, 23%, 0%, 86% |
Related Palettes
12 palettes using #151B23 or similar colors