Color

#3fcefd

#3fcefd
hex#3fcefd
rgbrgb(63, 206, 253)
hslhsl(195, 98%, 62%)
oklchoklch(0.796 0.134 224.8)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5229

Colors that go with #3fcefd

Charcoal, Crimson and Dodger 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 →

#fd6f3f

#3ffdce · #3f6ffd

#fd3fce · #cefd3f

Split-complementary

Open in tool →

#fd3f6f · #fdce3f

#ce3ffd · #fd6f3f · #6ffd3f

Contrast

#3fcefd as textRatioAAAA largeAAAFix
Aaon white
1.83:1failfailfail
  • AA: use #027da7 as the text (4.67:1)
  • AAA: use #015f7e as the text (7.14:1)
  • AA: or shift the background to #4d4d4d (4.61:1)
  • AAA: or shift the background to #303030 (7.2:1)
Aaon black
11.46:1passpasspassPasses 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 #3fcefd as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/3fcefd-9cb5c4-df4e70-1f242d-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