Color

#180958

#180958
hex#180958
rgbrgb(24, 9, 88)
hslhsl(251, 81%, 19%)
oklchoklch(0.237 0.128 278.9)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0109

Colors that go with #180958

Charcoal, Sea Green and Steel Blue 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 →

#495809

#092258 · #3f0958

#581809 · #095818

Split-complementary

Open in tool →

#583f09 · #225809

#580922 · #495809 · #09583f

Contrast

#180958 as textRatioAAAA largeAAAFix
Aaon white
17.23:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #785dee as the text (4.6:1)
  • AAA: use #9b87f2 as the text (7.14:1)
  • AA: or shift the background to #858585 (4.67:1)
  • AAA: or shift the background to #a6a6a6 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #180958 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

#180958 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180958
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 #180958 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180958-a89cc4-dfb34e-281f2d-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