Color

#3b4545

#3b4545
hex#3b4545
rgbrgb(59, 69, 69)
hslhsl(180, 8%, 25%)
oklchoklch(0.381 0.013 196.6)
Closest name: Arsenic (#3b444b)Relative luminance 0.0562

Colors that go with #3b4545

Blue, Blush Pink and Burlywood lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #3b4545

Tints & shades

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

Harmonies

Complementary

Open in tool →

#453b3b

#3b4540 · #3b4045

#453b45 · #45453b

Split-complementary

Open in tool →

#453b40 · #45403b

#403b45 · #453b3b · #40453b

Contrast

#3b4545 as textRatioAAAA largeAAAFix
Aaon white
9.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.12:1failfailfail
  • AA: use #677979 as the text (4.59:1)
  • AAA: use #899a9a as the text (7.15:1)
  • AA: or shift the background to #b0b0b0 (4.56:1)
  • AAA: or shift the background to #d9d9d9 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b4545 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

#3b4545 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b4545
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

›analyze #3b4545 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b4545-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