#050505
#373737
#AA5C00
#FDFDFD
#373737 · Onyx
Click to copy#373737 is a dark, nearly neutral gray color, closest to Onyx and near Onyx and Jet. In OKLCH it has 34% lightness and 0.00 chroma at hue 0°. Gray suggests neutrality and balance; it lets other colors lead, which makes #373737 a natural choice for text, borders and interface chrome. It appears in 5 ColorSwoop palettes.
Color codes click to copy
HEX
#373737RGB
rgb(55, 55, 55)HSL
hsl(0, 0%, 22%)CMYK
0, 0, 0, 78CSS var
--onyxContrast
11.9:1 white · 1.76:1 blackSimilar named colors
How to use #373737
White text passes WCAG AA on #373737 (11.9:1); black does not, so keep dark text off it.
For a calm scheme pair #373737 with its analogous neighbors #383838 and #383838; for contrast use its complement #383838 as a small accent, and anchor everything with a neutral such as #F5F5F7.
--onyx: #373737;
$onyx: #373737;
colors: { 'onyx': '#373737' }