Color

#180401

#180401
hex#180401
rgbrgb(24, 4, 1)
hslhsl(8, 92%, 5%)
oklchoklch(0.146 0.041 38)
Closest name: Dwarf Fortress (#1d0200)Relative luminance 0.0028

Tints & shades

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

Harmonies

Complementary

Open in tool →

#011518

#18010a · #181001

#011804 · #040118

Split-complementary

Open in tool →

#011810 · #010a18

#0a1801 · #011518 · #100118

Contrast

#180401 as textRatioAAAA largeAAAFix
Aaon white
19.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #e6270a as the text (4.66:1)
  • AAA: use #f86a54 as the text (7.18:1)
  • AA: or shift the background to #787878 (4.5:1)
  • AAA: or shift the background to #9c9c9c (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #180401 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

#180401 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180401
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 #180401 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180401-c4a69c-62cba6-2d271f-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