Color

#189ec3

#189ec3
hex#189ec3
rgbrgb(24, 158, 195)
hslhsl(193, 78%, 43%)
oklchoklch(0.65 0.117 223.2)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2859

Colors that go with #189ec3

Charcoal, Amber and 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 →

#c33d18

#18c393 · #1849c3

#c3189e · #9ec318

Split-complementary

Open in tool →

#c31849 · #c39318

#9318c3 · #c33d18 · #49c318

Contrast

#189ec3 as textRatioAAAA largeAAAFix
Aaon white
3.13:1failpassfail
  • AA: use #137d9a as the text (4.74:1)
  • AAA: use #0f6076 as the text (7.11:1)
  • AA: or shift the background to #2b2b2b (4.53:1)
Aaon black
6.72:1passpassfail
  • AAA: use #19a2c8 as the text (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 #189ec3 as the background.

Brands using this color

Fonts for this mood

#189ec3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #189ec3
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 #189ec3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/189ec3-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