Color

#0c9bb0

#0c9bb0
hex#0c9bb0
rgbrgb(12, 155, 176)
hslhsl(188, 87%, 37%)
oklchoklch(0.633 0.109 211.8)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2666

Colors that go with #0c9bb0

Charcoal, Orange Red and Copper 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 #0c9bb0

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b0220c

#0cb074 · #0c48b0

#b00c9b · #9bb00c

Split-complementary

Open in tool →

#b00c48 · #b0740c

#740cb0 · #b0220c · #48b00c

Contrast

#0c9bb0 as textRatioAAAA largeAAAFix
Aaon white
3.32:1failpassfail
  • AA: use #0a8194 as the text (4.58:1)
  • AAA: use #08606e as the text (7.22:1)
  • AA: or shift the background to #262626 (4.56:1)
Aaon black
6.33:1passpassfail
  • AAA: use #0da7bf 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 #0c9bb0 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

#0c9bb0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c9bb0
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 #0c9bb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c9bb0-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