Color

#180755

#180755
hex#180755
rgbrgb(24, 7, 85)
hslhsl(253, 85%, 18%)
oklchoklch(0.23 0.126 280.1)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.01

Colors that go with #180755

Charcoal, Denim 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 →

#445507

#071d55 · #3f0755

#551807 · #075518

Split-complementary

Open in tool →

#553f07 · #1d5507

#55071d · #445507 · #07553f

Contrast

#180755 as textRatioAAAA largeAAAFix
Aaon white
17.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #7b5af2 as the text (4.59:1)
  • AAA: use #9d84f5 as the text (7.05:1)
  • AA: or shift the background to #828282 (4.55:1)
  • AAA: or shift the background to #a6a6a6 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #180755 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

#180755 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180755
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 #180755 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180755-a99cc4-dfb84e-281f2d-e9ebf1?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