Color

#404030

#404030
hex#404030
rgbrgb(64, 64, 48)
hslhsl(60, 14%, 22%)
oklchoklch(0.367 0.026 107.6)
Closest name: Black Olive (#3b3c36)Relative luminance 0.0497

Tints & shades

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

Harmonies

Complementary

Open in tool →

#303040

#403830 · #384030

#304040 · #403040

Split-complementary

Open in tool →

#303840 · #383040

#304038 · #303040 · #403038

Contrast

#404030 as textRatioAAAA largeAAAFix
Aaon white
10.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.99:1failfailfail
  • AA: use #77775a as the text (4.57:1)
  • AAA: use #989876 as the text (7.09:1)
  • AA: or shift the background to #ababab (4.59:1)
  • AAA: or shift the background to #d4d4d4 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #404030 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

#404030 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #404030
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 #404030 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/404030-bbbea2-4e94df-272d1f-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