Color

#189bd8

#189bd8
hex#189bd8
rgbrgb(24, 155, 216)
hslhsl(199, 80%, 47%)
oklchoklch(0.653 0.136 236.6)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2859

Colors that go with #189bd8

Charcoal, Orange Red 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 →

#d85518

#18d8b5 · #183bd8

#d8189b · #9bd818

Split-complementary

Open in tool →

#d8183b · #d8b518

#b518d8 · #d85518 · #3bd818

Contrast

#189bd8 as textRatioAAAA largeAAAFix
Aaon white
3.13:1failpassfail
  • AA: use #137dae as the text (4.59:1)
  • AAA: use #0e5c81 as the text (7.33:1)
  • AA: or shift the background to #2b2b2b (4.53:1)
Aaon black
6.72:1passpassfail
  • AAA: use #19a2e1 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #189bd8 as the background.

Brands using this color

Fonts for this mood

#189bd8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #189bd8
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 #189bd8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/189bd8-9cb3c4-df4e66-1f232d-e9f1f0?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