Color

#3fc7fd

#3fc7fd
hex#3fc7fd
rgbrgb(63, 199, 253)
hslhsl(197, 98%, 62%)
oklchoklch(0.78 0.137 229.4)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.49

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd753f

#3ffdd4 · #3f68fd

#fd3fc7 · #c7fd3f

Split-complementary

Open in tool →

#fd3f68 · #fdd43f

#d43ffd · #fd753f · #68fd3f

Contrast

#3fc7fd as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #027cac as the text (4.69:1)
  • AAA: use #015e83 as the text (7.17:1)
  • AA: or shift the background to #4a4a4a (4.56:1)
  • AAA: or shift the background to #2b2b2b (7.28:1)
Aaon black
10.8:1passpasspassPasses 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 #3fc7fd 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

#3fc7fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3fc7fd
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 #3fc7fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fc7fd-9cb4c4-df4e6b-1f232d-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