Color

#189dbf

#189dbf
hex#189dbf
rgbrgb(24, 157, 191)
hslhsl(192, 78%, 42%)
oklchoklch(0.646 0.114 221.3)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2807

Colors that go with #189dbf

Charcoal, Amber and Crimson 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 →

#bf3918

#18bf8d · #184abf

#bf189d · #9dbf18

Split-complementary

Open in tool →

#bf184a · #bf8d18

#8d18bf · #bf3918 · #4abf18

Contrast

#189dbf as textRatioAAAA largeAAAFix
Aaon white
3.18:1failpassfail
  • AA: use #137f9a as the text (4.64:1)
  • AAA: use #0f6176 as the text (7.02:1)
  • AA: or shift the background to #292929 (4.58:1)
Aaon black
6.61:1passpassfail
  • AAA: use #19a5c8 as the text (7.26:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/189dbf-a2b5be-df4e77-1f242d-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