Color

#39210a

#39210a
hex#39210a
rgbrgb(57, 33, 10)
hslhsl(29, 70%, 13%)
oklchoklch(0.274 0.051 61.5)
Closest name: Close but No Cigar (#361d0a)Relative luminance 0.0198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a2238

#380a0b · #38380a

#0a3820 · #200a38

Split-complementary

Open in tool →

#0a3838 · #0a0b38

#0b380a · #0a2238 · #380a38

Contrast

#39210a as textRatioAAAA largeAAAFix
Aaon white
15.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #ad641f as the text (4.62:1)
  • AAA: use #da7f2b as the text (7.05:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39210a 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

#39210a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #39210a
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 #39210a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39210a-c4b49c-62cbcb-2d2c1f-f1e9e9?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