Color

#c3ceef

#c3ceef
hex#c3ceef
rgbrgb(195, 206, 239)
hslhsl(225, 58%, 85%)
oklchoklch(0.854 0.048 270.8)
Closest name: Frozen Periwinkle (#c9d1ef)Relative luminance 0.6198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efe4c3

#c3e4ef · #cec3ef

#efc3ce · #ceefc3

Split-complementary

Open in tool →

#efcec3 · #e4efc3

#efc3e4 · #efe4c3 · #c3efce

Contrast

#c3ceef as textRatioAAAA largeAAAFix
Aaon white
1.57:1failfailfail
  • AA: use #4e6ed0 as the text (4.7:1)
  • AAA: use #3051b5 as the text (7.07:1)
  • AA: or shift the background to #575757 (4.61:1)
  • AAA: or shift the background to #3b3b3b (7.15:1)
Aaon black
13.4:1passpasspassPasses 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 #c3ceef 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

#c3ceef reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c3ceef
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 #c3ceef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3ceef-9ca1c4-df754e-221f2d-e9eff1?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