Color

#43100a

#43100a
hex#43100a
rgbrgb(67, 16, 10)
hslhsl(6, 74%, 15%)
oklchoklch(0.26 0.08 30)
Closest name: English Breakfast (#441111)Relative luminance 0.0159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a3d43

#430a21 · #432c0a

#0a4310 · #100a43

Split-complementary

Open in tool →

#0a432c · #0a2143

#21430a · #0a3d43 · #2c0a43

Contrast

#43100a as textRatioAAAA largeAAAFix
Aaon white
15.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #de3421 as the text (4.62:1)
  • AAA: use #e87568 as the text (7.18:1)
  • AA: or shift the background to #8a8a8a (4.62:1)
  • AAA: or shift the background to #adadad (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 #43100a as the background.

Brands using this color

Fonts for this mood

#43100a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #43100a
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 #43100a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/43100a-c4a59c-62cba3-2d271f-f1e9ec?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