#151C23
Dark Blue
HEX
RGB
HSL
About #151C23 Dark Blue
#151C23 is a dark blue color. In the RGB color model, it is composed of 21 red, 28 green, and 35 blue. In the HSL color space, it has a hue of 210°, 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 #151C23 in your CSS, SCSS, or Tailwind projects.
Color Properties
210°
Hue
25%
Saturation
11%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #151C23 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #151C23 against white and black backgrounds.
Aa#151C23 on White
Contrast Ratio17.18:1
AA ✓AA Large ✓AAA ✓
Aa#151C23 on Black
Contrast Ratio1.22:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #151C23 across different color formats.
| Format | Value |
|---|---|
| HEX | #151C23 |
| RGB | rgb(21, 28, 35) |
| HSL | hsl(210, 25%, 11%) |
| RGB Decimal | 21, 28, 35 |
| RGB Percent | 8.2%, 11.0%, 13.7% |
| CMYK (approx.) | 40%, 20%, 0%, 86% |
Related Palettes
12 palettes using #151C23 or similar colors