Color

#00bbfa

#00bbfa
hex#00bbfa
rgbrgb(0, 187, 250)
hslhsl(195, 100%, 49%)
oklchoklch(0.744 0.151 231.7)
Closest name: deepskyblue (#00bfff)Relative luminance 0.4244

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa3e00

#00fabb · #003efa

#fa00bb · #bbfa00

Split-complementary

Open in tool →

#fa003e · #fabb00

#bb00fa · #fa3e00 · #3efa00

Contrast

#00bbfa as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #007ea8 as the text (4.62:1)
  • AAA: use #006080 as the text (7.04:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.49:1passpasspassPasses 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 #00bbfa as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#00bbfa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00bbfa
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 #00bbfa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00bbfa-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