Color

#3b293d

#3b293d
hex#3b293d
rgbrgb(59, 41, 61)
hslhsl(294, 20%, 20%)
oklchoklch(0.311 0.043 323.1)
Closest name: Melanzane (#342931)Relative luminance 0.0285

Colors that go with #3b293d

Dark Olive Green, Sea Green and Sienna 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 #3b293d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b3d29

#31293d · #3d2935

#3d3b29 · #293d3b

Split-complementary

Open in tool →

#353d29 · #293d31

#3d3129 · #2b3d29 · #29353d

Contrast

#3b293d as textRatioAAAA largeAAAFix
Aaon white
13.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #946699 as the text (4.62:1)
  • AAA: use #ae8bb1 as the text (7.13:1)
  • AA: or shift the background to #969696 (4.52:1)
  • AAA: or shift the background to #bdbdbd (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3b293d as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#3b293d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3b293d
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 #3b293d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3b293d-c19fc0-9fcb62-2d1f29-ede9f1?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