Color

#0bb1da

#0bb1da
hex#0bb1da
rgbrgb(11, 177, 218)
hslhsl(192, 90%, 45%)
oklchoklch(0.706 0.129 222.5)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3658

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da350b

#0bda9c · #0b49da

#da0bb1 · #b1da0b

Split-complementary

Open in tool →

#da0b49 · #da9c0b

#9c0bda · #da350b · #49da0b

Contrast

#0bb1da as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #087e9b as the text (4.7:1)
  • AAA: use #065e74 as the text (7.34:1)
  • AA: or shift the background to #383838 (4.64:1)
  • AAA: or shift the background to #171717 (7.1:1)
Aaon black
8.32:1passpasspassPasses 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 #0bb1da as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0bb1da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0bb1da
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0bb1da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bb1da-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