Color

#188aaa

#188aaa
hex#188aaa
rgbrgb(24, 138, 170)
hslhsl(193, 75%, 38%)
oklchoklch(0.589 0.104 222.9)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2127

Colors that go with #188aaa

Charcoal, Copper and Crimson 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 #188aaa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa3818

#18aa80 · #1841aa

#aa188a · #8aaa18

Split-complementary

Open in tool →

#aa1841 · #aa8018

#8018aa · #aa3818 · #41aa18

Contrast

#188aaa as textRatioAAAA largeAAAFix
Aaon white
4:1failpassfail
  • AA: use #167f9c as the text (4.62:1)
  • AAA: use #115e74 as the text (7.3:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.25:1passpassfail
  • AAA: use #1da4c9 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #188aaa as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#188aaa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #188aaa
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 #188aaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/188aaa-a2b5be-df4e75-1f242d-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