Color

#dde8f3

#dde8f3
hex#dde8f3
rgbrgb(221, 232, 243)
hslhsl(210, 48%, 91%)
oklchoklch(0.926 0.019 248)
Closest name: Celestial Cathedral (#daeaf6)Relative luminance 0.7956

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3e8dd

#ddf3f3 · #ddddf3

#f3dde8 · #e8f3dd

Split-complementary

Open in tool →

#f3dddd · #f3f3dd

#f3ddf3 · #f3e8dd · #ddf3dd

Contrast

#dde8f3 as textRatioAAAA largeAAAFix
Aaon white
1.24:1failfailfail
  • AA: use #3e78b1 as the text (4.64:1)
  • AAA: use #2e5984 as the text (7.3:1)
  • AA: or shift the background to #666666 (4.62:1)
  • AAA: or shift the background to #4a4a4a (7.14:1)
Aaon black
16.91:1passpasspassPasses 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 #dde8f3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#dde8f3 reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #dde8f3
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 #dde8f3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dde8f3-9cabc4-df514e-1f202d-e9f1f1?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