Color

#420f0a

#420f0a
hex#420f0a
rgbrgb(66, 15, 10)
hslhsl(5, 74%, 15%)
oklchoklch(0.257 0.08 29.3)
Closest name: English Breakfast (#441111)Relative luminance 0.0152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a3e43

#430a22 · #432b0a

#0a430f · #0f0a43

Split-complementary

Open in tool →

#0a432b · #0a2243

#22430a · #0a3e43 · #2b0a43

Contrast

#420f0a as textRatioAAAA largeAAAFix
Aaon white
16.1:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #de3121 as the text (4.57:1)
  • AAA: use #e87368 as the text (7.08:1)
  • AA: or shift the background to #8a8a8a (4.66:1)
  • AAA: or shift the background to #ababab (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420f0a as the background.

Brands using this color

Fonts for this mood

#420f0a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420f0a
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 #420f0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420f0a-c4a49c-62cba1-2d261f-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