Color

#0bbfcb

#0bbfcb
hex#0bbfcb
rgbrgb(11, 191, 203)
hslhsl(184, 90%, 42%)
oklchoklch(0.733 0.124 202.9)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4164

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb180b

#0bcb78 · #0b5ecb

#cb0bbf · #bfcb0b

Split-complementary

Open in tool →

#cb0b5e · #cb780b

#780bcb · #cb180b · #5ecb0b

Contrast

#0bbfcb as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #077f88 as the text (4.77:1)
  • AAA: use #055f66 as the text (7.41:1)
  • AA: or shift the background to #404040 (4.61:1)
  • AAA: or shift the background to #212121 (7.15:1)
Aaon black
9.33:1passpasspassPasses 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 #0bbfcb as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/0bbfcb-a2b9be-df4e8a-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