Color

#3cb3be

#3cb3be
hex#3cb3be
rgbrgb(60, 179, 190)
hslhsl(185, 52%, 49%)
oklchoklch(0.706 0.104 204)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3692

Tints & shades

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

Harmonies

Complementary

Open in tool →

#be473c

#3cbe88 · #3c72be

#be3cb3 · #b3be3c

Split-complementary

Open in tool →

#be3c72 · #be883c

#883cbe · #be473c · #72be3c

Contrast

#3cb3be as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #2b8088 as the text (4.62:1)
  • AAA: use #205f65 as the text (7.28:1)
  • AA: or shift the background to #383838 (4.68:1)
  • AAA: or shift the background to #171717 (7.16:1)
Aaon black
8.38:1passpasspassPasses 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 #3cb3be as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3cb3be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3cb3be
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 #3cb3be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cb3be-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