# #d3effd

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

## Values

- Hex: `#d3effd`
- RGB: rgb(211, 239, 253)
- HSL: hsl(200, 91%, 91%)
- OKLCH: oklch(0.936 0.035 229.3)
- Relative luminance: 0.8267
- Nearest named color: Celestial Cathedral (#daeaf6, Δ 1.461) — https://brandsweets.com/colors/celestial-cathedral
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/d3effd

## Tints & shades

- Tints (toward white): #d8f1fd, #d8f1fd, #ddf3fd, #e2f4fe, #e7f6fe, #e7f6fe, #ecf8fe, #f0fafe, #f0fafe, #f5fbff
- Shades (toward black): #a7dffb, #80d1f9, #55c1f7, #29b1f5, #0ba0ea, #0982be, #076492, #054666, #032b3f, #010d13

## Harmonies

- Complementary: #fde1d3
- Analogous: #d3fdf6, #d3dafd
- Triadic: #fdd3ef, #effdd3
- Split-complementary: #fdd3da, #fdf6d3
- Tetradic: #f6d3fd, #fde1d3, #dafdd3

## Colors that go with #d3effd

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 #d3effd: 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
- **Coral** #ff7f50 [harmony, pool: complementary] — Coral sits directly opposite #d3effd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Clinic (https://brandsweets.com/palettes/clean#clinic), Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient), Sketch (https://brandsweets.com/colors/brands/sketch-com), Temu (https://brandsweets.com/colors/brands/temu-com). — https://brandsweets.com/colors/coral
- **Dark Turquoise** #00ced1 [harmony, pool: analogous] — Dark Turquoise is #d3effd'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
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #d3effd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Astro (https://brandsweets.com/colors/brands/astro-build), Calendly (https://brandsweets.com/colors/brands/calendly-com). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: split] — Goldenrod is a split-complement of #d3effd: 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: split] — Light Coral is a split-complement of #d3effd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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
- **Amber** #ffbf00 [pool] — Amber is paired with #d3effd 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
- **Blue** #0000ff [pool] — 47 real palettes, including Dropbox's brand system and Alaska Airlines's brand system put Blue beside #d3effd, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Binance (https://brandsweets.com/colors/brands/binance-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 1.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #087bb4 (4.66:1); AA: background → #696969 (4.58:1); AAA: text → #065d88 (7.17:1); AAA: background → #4d4d4d (7.06:1)
- On black (#000000): 17.53:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Deep Water** (ocean, dark, cool, luxury) — #00b4d8, #0077b6, #caf0f8, #03045e, #e8f6fb — Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water. — tool: https://brandsweets.com/palettes/new/00b4d8-0077b6-caf0f8-03045e-e8f6fb — collection: https://brandsweets.com/palettes/ocean

## 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/d3effd-9cb2c4-df4e64-1f232d-e9f1f0?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: "#d3effd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.