Color

#3fcbee

#3fcbee
hex#3fcbee
rgbrgb(63, 203, 238)
hslhsl(192, 84%, 59%)
oklchoklch(0.783 0.125 218.5)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4994

Colors that go with #3fcbee

Charcoal, Dark Salmon and Midnight Blue 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 →

#ee623f

#3feeba · #3f73ee

#ee3fcb · #cbee3f

Split-complementary

Open in tool →

#ee3f73 · #eeba3f

#ba3fee · #ee623f · #73ee3f

Contrast

#3fcbee as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #0d7f9b as the text (4.64:1)
  • AAA: use #0a6075 as the text (7.14:1)
  • AA: or shift the background to #4a4a4a (4.64:1)
  • AAA: or shift the background to #2e2e2e (7.11:1)
Aaon black
10.99:1passpasspassPasses 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 #3fcbee as the background.

Brands using this color

Fonts for this mood

#3fcbee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/3fcbee-a2b5be-df4e77-1f242d-e9f1ef?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