Color

#181900

#181900
hex#181900
rgbrgb(24, 25, 0)
hslhsl(62, 100%, 5%)
oklchoklch(0.205 0.045 111.8)
Closest name: Noir Mystique (#1f180a)Relative luminance 0.0089

Tints & shades

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

Harmonies

Complementary

Open in tool →

#010019

#190e00 · #0c1900

#001919 · #190019

Split-complementary

Open in tool →

#000c19 · #0e0019

#00190e · #010019 · #19000c

Contrast

#181900 as textRatioAAAA largeAAAFix
Aaon white
17.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #767a00 as the text (4.55:1)
  • AAA: use #999e00 as the text (7.25:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #181900 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

#181900 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #181900
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 #181900 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/181900-babea2-4e8fdf-272d1f-f1eee9?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