# #dde9fd

A color — cool, vivid, light, technical, modern, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#dde9fd`
- RGB: rgb(221, 233, 253)
- HSL: hsl(218, 89%, 93%)
- OKLCH: oklch(0.931 0.03 260.7)
- Relative luminance: 0.8074
- Nearest named color: Celestial Cathedral (#daeaf6, Δ 1.176) — https://brandsweets.com/colors/celestial-cathedral
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/dde9fd

## Tints & shades

- Tints (toward white): #e2ecfd, #e2ecfd, #e7effe, #e7effe, #ecf2fe, #ecf2fe, #f1f6fe, #f1f6fe, #f5f9fe, #f5f9fe
- Shades (toward black): #b2cdfb, #87b0f8, #5b94f5, #3077f3, #0e5fec, #0b4ec1, #093c95, #062b6a, #04193f, #010813

## Harmonies

- Complementary: #fdf1dd
- Analogous: #ddf9fd, #e1ddfd
- Triadic: #fddde9, #e9fddd
- Split-complementary: #fde1dd, #f9fddd
- Tetradic: #fdddf9, #fdf1dd, #ddfde1

## Colors that go with #dde9fd

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #dde9fd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #dde9fd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Burger King (https://brandsweets.com/colors/brands/bk-com). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #dde9fd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Calendly (https://brandsweets.com/colors/brands/calendly-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #dde9fd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #dde9fd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Meadow (https://brandsweets.com/palettes/light#meadow), Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Lilac** #c8a2c8 [harmony, pool: analogous] — Lilac is #dde9fd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/lilac
- **Lime Green** #32cd32 [harmony, pool: triadic] — Lime Green completes a triad with #dde9fd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Duolingo (https://brandsweets.com/colors/brands/duolingo), Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/limegreen
- **Amber** #ffbf00 [pool] — Amber is paired with #dde9fd in 21 real palettes, including Blueprint and Trailhead, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/amber

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 1.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #216ef2 (4.59:1); AA: background → #666666 (4.69:1); AAA: text → #0c50c6 (7.05:1); AAA: background → #4a4a4a (7.24:1)
- On black (#000000): 17.15:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Blueprint** (technical, cool, modern, dark) — #38bdf8, #818cf8, #fbbf24, #0f172a, #e2e8f0 — Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'. — tool: https://brandsweets.com/palettes/new/38bdf8-818cf8-fbbf24-0f172a-e2e8f0 — collection: https://brandsweets.com/palettes/technical

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/dde9fd-9ca6c4-df644e-201f2d-e9f0f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#dde9fd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.