Color

#c3effe

#c3effe
hex#c3effe
rgbrgb(195, 239, 254)
hslhsl(195, 97%, 88%)
oklchoklch(0.926 0.05 220.6)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.8049

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fed2c3

#c3feef · #c3d2fe

#fec3ef · #effec3

Split-complementary

Open in tool →

#fec3d2 · #feefc3

#efc3fe · #fed2c3 · #d2fec3

Contrast

#c3effe as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #037da6 as the text (4.68:1)
  • AAA: use #025f7e as the text (7.14:1)
  • AA: or shift the background to #666666 (4.67:1)
  • AAA: or shift the background to #4a4a4a (7.22:1)
Aaon black
17.1:1passpasspassPasses 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 #c3effe 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

#c3effe reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c3effe
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 #c3effe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3effe-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