Nile Blue Color – #253f4e: Codes and Complete Breakdown
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Nile blue is an actual laboratory dye, an oxazine compound first described in 1896 that still stains lipids and cell nuclei in histology labs. The paint color runs far darker than the stain, a deep slate teal closer to river water at dusk.

Nile Blue Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#253f4e
Nile Blue Color Codes and Information
Complete breakdown of the color Nile Blue:
| Data Type | Values/Details |
|---|---|
| Hex | #253f4e |
| RGB | rgb(37,63,78) |
| HSL | hsl(202,35.7%,22.5%) |
| CMYK | 53, 19, 0, 69 |
| HSV | 202, 53, 31 |
| RGB % | 15, 25, 31 |
| XYZ | 3.9, 4.5, 7.9 |
| LAB | 25.3, -5.1, -12.2 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 53% |
| Temperature | Cool |
| Contrast Ratio Against White (#ffffff) | 11.05 (passes WCAG AA) |
| Contrast Ratio Against Black (#000000) | 1.9 (fails WCAG AA) |
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Blue Rinse










