Color

#403f35

#403f35
hex#403f35
rgbrgb(64, 63, 53)
hslhsl(55, 9%, 23%)
oklchoklch(0.365 0.017 102.5)
Closest name: Black Olive (#3b3c36)Relative luminance 0.049

Tints & shades

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

Harmonies

Complementary

Open in tool →

#353640

#403a35 · #3c4035

#35403f · #3f3540

Split-complementary

Open in tool →

#353c40 · #3a3540

#35403a · #353640 · #40353c

Contrast

#403f35 as textRatioAAAA largeAAAFix
Aaon white
10.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #787664 as the text (4.57:1)
  • AAA: use #999785 as the text (7.12:1)
  • AA: or shift the background to #ababab (4.62:1)
  • 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 #403f35 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

#403f35 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403f35
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #403f35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403f35-bdbea2-4ea0df-282d1f-f1ede9?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