Color

#351d30

#351d30
hex#351d30
rgbrgb(53, 29, 48)
hslhsl(313, 29%, 16%)
oklchoklch(0.271 0.049 334.8)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0185

Colors that go with #351d30

Charcoal, Dark Olive Green and Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d3522

#2e1d35 · #351d24

#30351d · #1d3035

Split-complementary

Open in tool →

#24351d · #1d352e

#352e1d · #1d3522 · #1d2435

Contrast

#351d30 as textRatioAAAA largeAAAFix
Aaon white
15.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #a45b94 as the text (4.5:1)
  • AAA: use #bc85b0 as the text (7.12:1)
  • AA: or shift the background to #8c8c8c (4.56:1)
  • AAA: or shift the background to #b0b0b0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #351d30 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

#351d30 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #351d30
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 #351d30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/351d30-c19fb5-7ecb62-2d1f24-efe9f1?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