Color

#1888aa

#1888aa
hex#1888aa
rgbrgb(24, 136, 170)
hslhsl(194, 75%, 38%)
oklchoklch(0.584 0.105 224.8)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.207

Colors that go with #1888aa

Charcoal, Crimson and Royal 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.

Real palettes that use #1888aa

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#aa3a18

#18aa83 · #183faa

#aa1888 · #88aa18

Split-complementary

Open in tool →

#aa183f · #aa8318

#8318aa · #aa3a18 · #3faa18

Contrast

#1888aa as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #167d9c as the text (4.72:1)
  • AAA: use #116078 as the text (7.08:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.14:1passpassfail
  • AAA: use #1da4cd as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1888aa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1888aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1888aa
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 #1888aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1888aa-9cb6c4-df4e72-1f242d-e9f1ef?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