Color

#188eb9

#188eb9
hex#188eb9
rgbrgb(24, 142, 185)
hslhsl(196, 77%, 41%)
oklchoklch(0.606 0.115 229.6)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2304

Colors that go with #188eb9

Charcoal, Crimson and Amber 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 →

#b94318

#18b993 · #183eb9

#b9188e · #8eb918

Split-complementary

Open in tool →

#b9183e · #b99318

#9318b9 · #b94318 · #3eb918

Contrast

#188eb9 as textRatioAAAA largeAAAFix
Aaon white
3.74:1failpassfail
  • AA: use #157da2 as the text (4.68:1)
  • AAA: use #105e7a as the text (7.23:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.61:1passpassfail
  • AAA: use #1ca3d4 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 #188eb9 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

#188eb9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #188eb9
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 #188eb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/188eb9-9cb5c4-df4e6e-1f232d-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