Color

#00bbcc

#00bbcc
hex#00bbcc
rgbrgb(0, 187, 204)
hslhsl(185, 100%, 40%)
oklchoklch(0.723 0.124 206.3)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.399

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc1100

#00cc77 · #0055cc

#cc00bb · #bbcc00

Split-complementary

Open in tool →

#cc0055 · #cc7700

#7700cc · #cc1100 · #55cc00

Contrast

#00bbcc as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #00838f as the text (4.52:1)
  • AAA: use #00626b as the text (7.1:1)
  • AA: or shift the background to #3d3d3d (4.64:1)
  • AAA: or shift the background to #1f1f1f (7.05:1)
Aaon black
8.98:1passpasspassPasses 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 #00bbcc as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/00bbcc-a2b8be-df4e88-1f262d-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