Color

#180e77

#180e77
hex#180e77
rgbrgb(24, 14, 119)
hslhsl(246, 79%, 26%)
oklchoklch(0.282 0.163 272.8)
Closest name: midnightblue (#191970)Relative luminance 0.0184

Colors that go with #180e77

Charcoal, Steel Blue and Cobalt 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 →

#6c770e

#0e3877 · #4d0e77

#77180e · #0e7718

Split-complementary

Open in tool →

#774d0e · #38770e

#770e38 · #6c770e · #0e774d

Contrast

#180e77 as textRatioAAAA largeAAAFix
Aaon white
15.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #7264ed as the text (4.76:1)
  • AAA: use #9388f1 as the text (7.03:1)
  • AA: or shift the background to #8c8c8c (4.56:1)
  • AAA: or shift the background to #b0b0b0 (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 #180e77 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

#180e77 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180e77
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 #180e77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180e77-a59cc4-dfa74e-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