Tailwind gray-800
#1f2937 — every format, its contrast behaviour, and the rest of the gray scale.
#1f2937
Hex
#1f2937RGB
rgb(31 41 55)HSL
hsl(215 28% 17%)Background class
bg-gray-800Text class
text-gray-800Border class
border-gray-800On white: 14.68:1 — passes AA for text
On slate-900: 1.22:1 — decoration only