Color

#0bbbcb

#0bbbcb
hex#0bbbcb
rgbrgb(11, 187, 203)
hslhsl(185, 90%, 42%)
oklchoklch(0.724 0.123 205.8)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3992

Colors that go with #0bbbcb

Charcoal, Blue and Dark Orange 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 →

#cb1b0b

#0bcb7b · #0b5bcb

#cb0bbb · #bbcb0b

Split-complementary

Open in tool →

#cb0b5b · #cb7b0b

#7b0bcb · #cb1b0b · #5bcb0b

Contrast

#0bbbcb as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #07818d as the text (4.63:1)
  • AAA: use #06626b as the text (7.08:1)
  • AA: or shift the background to #3d3d3d (4.65:1)
  • AAA: or shift the background to #1f1f1f (7.05:1)
Aaon black
8.98:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0bbbcb as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/0bbbcb-a2b8be-df4e88-1f262d-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