Color

#cef2f8

#cef2f8
hex#cef2f8
rgbrgb(206, 242, 248)
hslhsl(189, 75%, 89%)
oklchoklch(0.937 0.038 208.8)
Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.834

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f8d4ce

#cef8e9 · #ceddf8

#f8cef2 · #f2f8ce

Split-complementary

Open in tool →

#f8cedd · #f8e9ce

#e9cef8 · #f8d4ce · #ddf8ce

Contrast

#cef2f8 as textRatioAAAA largeAAAFix
Aaon white
1.19:1failfailfail
  • AA: use #158093 as the text (4.62:1)
  • AAA: use #106170 as the text (7.08:1)
  • AA: or shift the background to #696969 (4.62:1)
  • AAA: or shift the background to #4d4d4d (7.12:1)
Aaon black
17.68:1passpasspassPasses 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 #cef2f8 as the background.

Brands using this color

Fonts for this mood

#cef2f8 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #cef2f8
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 #cef2f8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cef2f8-a2b7be-df4e7e-1f252d-e9f1ee?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