Color

#09042a

#09042a
hex#09042a
rgbrgb(9, 4, 42)
hslhsl(248, 83%, 9%)
oklchoklch(0.154 0.075 280.7)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0031

Colors that go with #09042a

Charcoal, Rust and Sea Green 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 →

#252a04

#04122a · #1c042a

#2a0904 · #042a09

Split-complementary

Open in tool →

#2a1c04 · #122a04

#2a0412 · #252a04 · #042a1c

Contrast

#09042a as textRatioAAAA largeAAAFix
Aaon white
19.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #7460f0 as the text (4.67:1)
  • AAA: use #988af4 as the text (7.28:1)
  • AA: or shift the background to #7a7a7a (4.6:1)
  • AAA: or shift the background to #9c9c9c (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #09042a 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

#09042a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #09042a
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 #09042a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/09042a-a69cc4-dfac4e-271f2d-e9ecf1?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