Color

#36bbd3

#36bbd3
hex#36bbd3
rgbrgb(54, 187, 211)
hslhsl(189, 64%, 52%)
oklchoklch(0.732 0.115 212.6)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4103

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d34e36

#36d39c · #366dd3

#d336bb · #bbd336

Split-complementary

Open in tool →

#d3366d · #d39c36

#9c36d3 · #d34e36 · #6dd336

Contrast

#36bbd3 as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #208192 as the text (4.55:1)
  • AAA: use #18606d as the text (7.16:1)
  • AA: or shift the background to #404040 (4.55:1)
  • AAA: or shift the background to #212121 (7.06:1)
Aaon black
9.21:1passpasspassPasses 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 #36bbd3 as the background.

Brands using this color

Fonts for this mood

#36bbd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #36bbd3
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 #36bbd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/36bbd3-a2b7be-df4e7e-1f252d-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