Color

#05bbcc

#05bbcc
hex#05bbcc
rgbrgb(5, 187, 204)
hslhsl(185, 95%, 41%)
oklchoklch(0.724 0.123 206.4)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3993

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc1605

#05cc79 · #0558cc

#cc05bb · #bbcc05

Split-complementary

Open in tool →

#cc0558 · #cc7905

#7905cc · #cc1605 · #58cc05

Contrast

#05bbcc as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #04808b as the text (4.7:1)
  • AAA: use #036068 as the text (7.3:1)
  • AA: or shift the background to #3d3d3d (4.65:1)
  • AAA: or shift the background to #1f1f1f (7.05:1)
Aaon black
8.99:1passpasspassPasses 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 #05bbcc as the background.

Brands using this color

Fonts for this mood

#05bbcc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05bbcc
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 #05bbcc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05bbcc-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