Color

#180d96

#180d96
hex#180d96
rgbrgb(24, 13, 150)
hslhsl(245, 84%, 32%)
oklchoklch(0.322 0.199 269.9)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0268

Colors that go with #180d96

Crimson, 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 →

#8b960d

#0d4696 · #5d0d96

#96180d · #0d9618

Split-complementary

Open in tool →

#965d0d · #46960d

#960d46 · #8b960d · #0d965d

Contrast

#180d96 as textRatioAAAA largeAAAFix
Aaon white
13.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #6c5ff1 as the text (4.54:1)
  • AAA: use #938af5 as the text (7.19:1)
  • AA: or shift the background to #949494 (4.5:1)
  • AAA: or shift the background to #bababa (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #180d96 as the background.

Brands using this color

Fonts for this mood

#180d96 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180d96
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 #180d96 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180d96-a49cc4-dfa54e-261f2d-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