Color

#4f0903

#4f0903
hex#4f0903
rgbrgb(79, 9, 3)
hslhsl(5, 93%, 16%)
oklchoklch(0.277 0.102 30.7)
Closest name: Burned (#520b00)Relative luminance 0.0186

Colors that go with #4f0903

Charcoal, Royal Blue and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#03484f

#4f0322 · #4f2f03

#034f09 · #09034f

Split-complementary

Open in tool →

#034f2f · #03224f

#224f03 · #03484f · #2f034f

Contrast

#4f0903 as textRatioAAAA largeAAAFix
Aaon white
15.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #e71b08 as the text (4.56:1)
  • AAA: use #f96558 as the text (7.03:1)
  • AA: or shift the background to #8c8c8c (4.55:1)
  • AAA: or shift the background to #b0b0b0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f0903 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

#4f0903 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f0903
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4f0903 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f0903-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