Color

#3fc8ee

#3fc8ee
hex#3fc8ee
rgbrgb(63, 200, 238)
hslhsl(193, 84%, 59%)
oklchoklch(0.776 0.126 220.7)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4854

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee653f

#3feebd · #3f70ee

#ee3fc8 · #c8ee3f

Split-complementary

Open in tool →

#ee3f70 · #eebd3f

#bd3fee · #ee653f · #70ee3f

Contrast

#3fc8ee as textRatioAAAA largeAAAFix
Aaon white
1.96:1failfailfail
  • AA: use #0e80a0 as the text (4.55:1)
  • AAA: use #0a5e75 as the text (7.31:1)
  • AA: or shift the background to #4a4a4a (4.52:1)
  • AAA: or shift the background to #2b2b2b (7.22:1)
Aaon black
10.71:1passpasspassPasses 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 #3fc8ee 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

#3fc8ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3fc8ee
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 #3fc8ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fc8ee-a2b5be-df4e75-1f242d-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