Color

#403d03

#403d03
hex#403d03
rgbrgb(64, 61, 3)
hslhsl(57, 91%, 13%)
oklchoklch(0.352 0.073 106.4)
Closest name: Dark Olive (#373e02)Relative luminance 0.0443

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03063f

#3f1e03 · #243f03

#033f3c · #3c033f

Split-complementary

Open in tool →

#03243f · #1e033f

#033f1e · #03063f · #3f0324

Contrast

#403d03 as textRatioAAAA largeAAAFix
Aaon white
11.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.89:1failfailfail
  • AA: use #7f7906 as the text (4.64:1)
  • AAA: use #a19908 as the text (7.08:1)
  • AA: or shift the background to #a6a6a6 (4.57:1)
  • AAA: or shift the background to #cfcfcf (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #403d03 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

#403d03 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #403d03
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 #403d03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/403d03-bcbea2-4e9bdf-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