Color

#394747

#394747
hex#394747
rgbrgb(57, 71, 71)
hslhsl(180, 11%, 25%)
oklchoklch(0.386 0.018 196.4)
Closest name: Arsenic (#3b444b)Relative luminance 0.0583

Tints & shades

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

Harmonies

Complementary

Open in tool →

#473939

#394740 · #394047

#473947 · #474739

Split-complementary

Open in tool →

#473940 · #474039

#403947 · #473939 · #404739

Contrast

#394747 as textRatioAAAA largeAAAFix
Aaon white
9.69:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #627a7a as the text (4.58:1)
  • AAA: use #829b9b as the text (7.11:1)
  • AA: or shift the background to #b3b3b3 (4.62:1)
  • AAA: or shift the background to #dbdbdb (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #394747 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

#394747 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #394747
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 #394747 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/394747-a2bbbe-d45994-1f272d-e9f1ed?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