Color

#5a1b01

#5a1b01
hex#5a1b01
rgbrgb(90, 27, 1)
hslhsl(18, 98%, 18%)
oklchoklch(0.32 0.099 40.1)
Closest name: Evil Cigar (#522000)Relative luminance 0.0296

Tints & shades

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

Harmonies

Complementary

Open in tool →

#01405b

#5b0113 · #5b4901

#015b1c · #1c015b

Split-complementary

Open in tool →

#015b49 · #01135b

#135b01 · #01405b · #49015b

Contrast

#5a1b01 as textRatioAAAA largeAAAFix
Aaon white
13.19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.59:1failfailfail
  • AA: use #d44102 as the text (4.56:1)
  • AAA: use #fd6626 as the text (7.11:1)
  • AA: or shift the background to #999999 (4.63:1)
  • AAA: or shift the background to #bdbdbd (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a1b01 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

#5a1b01 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a1b01
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 #5a1b01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a1b01-c4ad9c-62cbb8-2d291f-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