Color

#403541

#403541
hex#403541
rgbrgb(64, 53, 65)
hslhsl(295, 10%, 23%)
oklchoklch(0.345 0.025 323.5)
Closest name: After Midnight (#38393f)Relative luminance 0.0402

Colors that go with #403541

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#364135

#3a3541 · #41353c

#414035 · #354140

Split-complementary

Open in tool →

#3c4135 · #35413a

#413a35 · #364135 · #353c41

Contrast

#403541 as textRatioAAAA largeAAAFix
Aaon white
11.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #856e87 as the text (4.58:1)
  • AAA: use #a492a5 as the text (7.23:1)
  • AA: or shift the background to #a1a1a1 (4.51:1)
  • AAA: or shift the background to #c9c9c9 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #403541 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

#403541 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403541
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 #403541 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403541-c19fbf-9dcb62-2d1f28-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