Color

#0bbaf4

#0bbaf4
hex#0bbaf4
rgbrgb(11, 186, 244)
hslhsl(195, 91%, 50%)
oklchoklch(0.739 0.146 229.9)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.4172

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f4450b

#0bf4ba · #0b45f4

#f40bba · #baf40b

Split-complementary

Open in tool →

#f40b45 · #f4ba0b

#ba0bf4 · #f4450b · #45f40b

Contrast

#0bbaf4 as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #087ea6 as the text (4.62:1)
  • AAA: use #06607f as the text (7.03:1)
  • AA: or shift the background to #404040 (4.61:1)
  • AAA: or shift the background to #212121 (7.16:1)
Aaon black
9.34:1passpasspassPasses 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 #0bbaf4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0bbaf4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0bbaf4
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 #0bbaf4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bbaf4-9cb5c4-df4e70-1f242d-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