Color

#3cd5fb

#3cd5fb
hex#3cd5fb
rgbrgb(60, 213, 251)
hslhsl(192, 96%, 61%)
oklchoklch(0.811 0.133 218.8)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.5551

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb623c

#3cfbc2 · #3c75fb

#fb3cd5 · #d5fb3c

Split-complementary

Open in tool →

#fb3c75 · #fbc23c

#c23cfb · #fb623c · #75fb3c

Contrast

#3cd5fb as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #0381a0 as the text (4.51:1)
  • AAA: use #026078 as the text (7.13:1)
  • AA: or shift the background to #525252 (4.5:1)
  • AAA: or shift the background to #333333 (7.28:1)
Aaon black
12.1:1passpasspassPasses 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 #3cd5fb as the background.

Brands using this color

Fonts for this mood

#3cd5fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3cd5fb
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 #3cd5fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cd5fb-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