Color

#0b9bb1

#0b9bb1
hex#0b9bb1
rgbrgb(11, 155, 177)
hslhsl(188, 88%, 37%)
oklchoklch(0.634 0.109 212.5)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2669

Colors that go with #0b9bb1

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.

Real palettes that use #0b9bb1

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b1210b

#0bb174 · #0b48b1

#b10b9b · #9bb10b

Split-complementary

Open in tool →

#b10b48 · #b1740b

#740bb1 · #b1210b · #48b10b

Contrast

#0b9bb1 as textRatioAAAA largeAAAFix
Aaon white
3.31:1failpassfail
  • AA: use #098295 as the text (4.53:1)
  • AAA: use #07606e as the text (7.22:1)
  • AA: or shift the background to #262626 (4.57:1)
Aaon black
6.34:1passpassfail
  • AAA: use #0ca4bb 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 #0b9bb1 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

#0b9bb1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b9bb1
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 #0b9bb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b9bb1-a2b7be-df4e81-1f252d-e9f1ee?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