Color

#d3def3

#d3def3
hex#d3def3
rgbrgb(211, 222, 243)
hslhsl(219, 57%, 89%)
oklchoklch(0.899 0.031 263.5)
Closest name: Cold Shoulder (#d4e0ef)Relative luminance 0.7256

Colors that go with #d3def3

Charcoal, Deep Sky Blue and Emerald Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3e8d3

#d3eef3 · #d8d3f3

#f3d3de · #def3d3

Split-complementary

Open in tool →

#f3d8d3 · #eef3d3

#f3d3ee · #f3e8d3 · #d3f3d8

Contrast

#d3def3 as textRatioAAAA largeAAAFix
Aaon white
1.35:1failfailfail
  • AA: use #4373cb as the text (4.61:1)
  • AAA: use #2c55a0 as the text (7.21:1)
  • AA: or shift the background to #616161 (4.57:1)
  • AAA: or shift the background to #454545 (7.08:1)
Aaon black
15.51:1passpasspassPasses 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 #d3def3 as the background.

Brands using this color

Fonts for this mood

#d3def3 reads as cool, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d3def3
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #d3def3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d3def3-9ca5c4-df664e-211f2d-e9f0f1?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