Color

#373c3e

#373c3e
hex#373c3e
rgbrgb(55, 60, 62)
hslhsl(197, 6%, 23%)
oklchoklch(0.352 0.008 223.6)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.0439

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3e3937

#373e3d · #37393e

#3e373c · #3c3e37

Split-complementary

Open in tool →

#3e3739 · #3e3d37

#3d373e · #3e3937 · #393e37

Contrast

#373c3e as textRatioAAAA largeAAAFix
Aaon white
11.18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #6c767a as the text (4.51:1)
  • AAA: use #8d979a as the text (7.03:1)
  • AA: or shift the background to #a6a6a6 (4.59:1)
  • AAA: or shift the background to #cfcfcf (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #373c3e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#373c3e reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #373c3e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #373c3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/373c3e-a2beb0-c859d4-1f2d2b-eaf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md