Color

#0188b2

#0188b2
hex#0188b2
rgbrgb(1, 136, 178)
hslhsl(194, 99%, 35%)
oklchoklch(0.586 0.115 228.8)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.2083

Colors that go with #0188b2

Charcoal, Crimson and Copper 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 →

#b22a01

#01b282 · #0130b2

#b20188 · #88b201

Split-complementary

Open in tool →

#b20130 · #b28201

#8201b2 · #b22a01 · #30b201

Contrast

#0188b2 as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #017da2 as the text (4.71:1)
  • AAA: use #015e7a as the text (7.28:1)
  • AA: or shift the background to #141414 (4.53:1)
Aaon black
5.17:1passpassfail
  • AAA: use #01a4d5 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0188b2 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0188b2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0188b2
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 #0188b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0188b2-9cb6c4-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