Color

#0bbbda

#0bbbda
hex#0bbbda
rgbrgb(11, 187, 218)
hslhsl(189, 90%, 45%)
oklchoklch(0.73 0.128 215.4)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4067

Colors that go with #0bbbda

Charcoal, Dark Orange and Denim 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 →

#da2a0b

#0bda92 · #0b54da

#da0bbb · #bbda0b

Split-complementary

Open in tool →

#da0b54 · #da920b

#920bda · #da2a0b · #54da0b

Contrast

#0bbbda as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #088196 as the text (4.57:1)
  • AAA: use #06606f as the text (7.22:1)
  • AA: or shift the background to #404040 (4.51:1)
  • AAA: or shift the background to #212121 (7:1)
Aaon black
9.13:1passpasspassPasses 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 #0bbbda as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/0bbbda-a2b7be-df4e7e-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