Color

#3fd7fd

#3fd7fd
hex#3fd7fd
rgbrgb(63, 215, 253)
hslhsl(192, 98%, 62%)
oklchoklch(0.817 0.133 218.8)
Closest name: lightskyblue (#87cefa)Relative luminance 0.5675

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd653f

#3ffdc4 · #3f78fd

#fd3fd7 · #d7fd3f

Split-complementary

Open in tool →

#fd3f78 · #fdc43f

#c43ffd · #fd653f · #78fd3f

Contrast

#3fd7fd as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #027e9d as the text (4.69:1)
  • AAA: use #016179 as the text (7.03:1)
  • AA: or shift the background to #525252 (4.6:1)
  • AAA: or shift the background to #363636 (7.11:1)
Aaon black
12.35:1passpasspassPasses 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 #3fd7fd as the background.

Brands using this color

Fonts for this mood

#3fd7fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3fd7fd
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 #3fd7fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fd7fd-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