Color

#63391c

#63391c
hex#63391c
rgbrgb(99, 57, 28)
hslhsl(25, 56%, 25%)
oklchoklch(0.39 0.073 53.4)
Closest name: Brown (#653700)Relative luminance 0.0566

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c4663

#631c22 · #635e1c

#1c633a · #3a1c63

Split-complementary

Open in tool →

#1c635e · #1c2263

#22631c · #1c4663 · #5e1c63

Contrast

#63391c as textRatioAAAA largeAAAFix
Aaon white
9.85:1passpasspassPasses AAA — no fix needed.
Aaon black
2.13:1failfailfail
  • AA: use #ab6330 as the text (4.56:1)
  • AAA: use #ce8450 as the text (7.04:1)
  • AA: or shift the background to #b0b0b0 (4.54:1)
  • AAA: or shift the background to #dbdbdb (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #63391c 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

#63391c reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #63391c
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 #63391c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63391c-c4b19c-62cbc4-2d2b1f-f1e9ea?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