# #d9ecfd

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

## Values

- Hex: `#d9ecfd`
- RGB: rgb(217, 236, 253)
- HSL: hsl(208, 90%, 92%)
- OKLCH: oklch(0.934 0.031 245.1)
- Relative luminance: 0.8183
- Nearest named color: Celestial Cathedral (#daeaf6, Δ 0.926) — https://brandsweets.com/colors/celestial-cathedral
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/d9ecfd

## Tints & shades

- Tints (toward white): #ddeefd, #ddeefd, #e2f1fd, #e2f1fd, #e7f3fe, #ecf5fe, #ecf5fe, #f0f8fe, #f0f8fe, #f5fafe
- Shades (toward black): #add6fb, #81c1f8, #5aaef6, #2f98f4, #0c82e9, #0a69bd, #085191, #063b6b, #03233f, #010b13

## Harmonies

- Complementary: #fde9d8
- Analogous: #d8fdfc, #d8d9fd
- Triadic: #fdd8ec, #ecfdd8
- Split-complementary: #fdd8d9, #fdfcd8
- Tetradic: #fcd8fd, #fde9d8, #d9fdd8

## Colors that go with #d9ecfd

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 #d9ecfd: 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
- **Cornflower Blue** #6495ed [harmony, pool: analogous] — Cornflower Blue is #d9ecfd'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), Terminal (https://brandsweets.com/palettes/technical#terminal), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Porsche (https://brandsweets.com/colors/brands/porsche-com). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [harmony, pool: complementary] — Dark Orange sits directly opposite #d9ecfd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. 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
- **Dark Turquoise** #00ced1 [harmony, pool: analogous] — Dark Turquoise is #d9ecfd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Prisma (https://brandsweets.com/colors/brands/prisma-io), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/darkturquoise
- **Goldenrod** #daa520 [harmony, pool: split] — Goldenrod is a split-complement of #d9ecfd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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 #d9ecfd — 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
- **Yellow Green** #9acd32 [harmony, pool: triadic] — Yellow Green completes a triad with #d9ecfd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Steam (https://brandsweets.com/colors/brands/steampowered-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Acer (https://brandsweets.com/colors/brands/acer-com), Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/yellowgreen
- **Amber** #ffbf00 [pool] — Amber is paired with #d9ecfd 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): 1.21:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b77d5 (4.55:1); AA: background → #696969 (4.54:1); AAA: text → #0859a0 (7.13:1); AAA: background → #4a4a4a (7.33:1)
- On black (#000000): 17.37:1 — 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/d9ecfd-9cadc4-df4e51-1f212d-e9f1f1?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: "#d9ecfd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.