Color

#5b1600

#5b1600
hex#5b1600
rgbrgb(91, 22, 0)
hslhsl(15, 100%, 18%)
oklchoklch(0.315 0.105 37.3)
Closest name: Blood of Zeus (#640f09)Relative luminance 0.028

Colors that go with #5b1600

Crimson, Royal Blue and Teal 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 →

#00455c

#5c0017 · #5c4500

#005c17 · #17005c

Split-complementary

Open in tool →

#005c45 · #00175c

#175c00 · #00455c · #45005c

Contrast

#5b1600 as textRatioAAAA largeAAAFix
Aaon white
13.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #db3700 as the text (4.56:1)
  • AAA: use #ff622e as the text (7.04:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b1600 as the background.

Brands using this color

Fonts for this mood

#5b1600 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b1600
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 #5b1600 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b1600-c4ab9c-62cbb2-2d291f-f1e9eb?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