Color

#3cb5be

#3cb5be
hex#3cb5be
rgbrgb(60, 181, 190)
hslhsl(184, 52%, 49%)
oklchoklch(0.711 0.105 202.3)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3773

Colors that go with #3cb5be

Charcoal, Blue and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#be453c

#3cbe86 · #3c74be

#be3cb5 · #b5be3c

Split-complementary

Open in tool →

#be3c74 · #be863c

#863cbe · #be453c · #74be3c

Contrast

#3cb5be as textRatioAAAA largeAAAFix
Aaon white
2.46:1failfailfail
  • AA: use #2b8188 as the text (4.57:1)
  • AAA: use #206065 as the text (7.19:1)
  • AA: or shift the background to #3b3b3b (4.56:1)
  • AAA: or shift the background to #1a1a1a (7.08:1)
Aaon black
8.55:1passpasspassPasses 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 #3cb5be 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

#3cb5be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3cb5be
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #3cb5be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cb5be-a2b9be-df4e8a-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