Color

#3a403e

#3a403e
hex#3a403e
rgbrgb(58, 64, 62)
hslhsl(160, 5%, 24%)
oklchoklch(0.365 0.009 173.9)
Closest name: Black Olive (#3b3c36)Relative luminance 0.0491

Colors that go with #3a403e

Amber, Blue and Blush Pink 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 #3a403e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#403a3c

#3a403b · #3a3f40

#3e3a40 · #403e3a

Split-complementary

Open in tool →

#403a3f · #403b3a

#3b3a40 · #403a3c · #3f403a

Contrast

#3a403e as textRatioAAAA largeAAAFix
Aaon white
10.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #6d7875 as the text (4.59:1)
  • AAA: use #8f9996 as the text (7.16:1)
  • AA: or shift the background to #ababab (4.61:1)
  • AAA: or shift the background to #d4d4d4 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a403e 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

#3a403e reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a403e
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 #3a403e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a403e-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