Color

#189abf

#189abf
hex#189abf
rgbrgb(24, 154, 191)
hslhsl(193, 78%, 42%)
oklchoklch(0.639 0.115 223.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2707

Colors that go with #189abf

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.

Real palettes that use #189abf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf3c18

#18bf8f · #1847bf

#bf189a · #9abf18

Split-complementary

Open in tool →

#bf1847 · #bf8f18

#8f18bf · #bf3c18 · #47bf18

Contrast

#189abf as textRatioAAAA largeAAAFix
Aaon white
3.27:1failpassfail
  • AA: use #137d9a as the text (4.74:1)
  • AAA: use #0f6076 as the text (7.11:1)
  • AA: or shift the background to #262626 (4.62:1)
Aaon black
6.41:1passpassfail
  • 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 #189abf as the background.

Brands using this color

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

Fonts for this mood

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

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

tool url/palettes/new/189abf-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