# #cdddef

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

## Values

- Hex: `#cdddef`
- RGB: rgb(205, 221, 239)
- HSL: hsl(212, 52%, 87%)
- OKLCH: oklch(0.891 0.03 251.3)
- Relative luminance: 0.7092
- Nearest named color: Blue Silk (#d0dce8, Δ 0.953) — https://brandsweets.com/colors/blue-silk
- Moods: cool, light, clean, modern
- Page: https://brandsweets.com/colors/cdddef

## Tints & shades

- Tints (toward white): #d0dff0, #d4e2f2, #d8e5f3, #dce7f4, #e4edf6, #e8eff8, #ecf2f9, #eff4fa, #f3f7fb, #f7fafd
- Shades (toward black): #aec8e5, #8bb0da, #6c9bd0, #4d86c7, #3871b2, #2d5b8f, #234770, #1a3451, #0f1e2f, #050a10

## Harmonies

- Complementary: #efdfcd
- Analogous: #cdeeef, #cecdef
- Triadic: #efcddd, #ddefcd
- Split-complementary: #efcecd, #eeefcd
- Tetradic: #efcdee, #efdfcd, #cdefce

## Colors that go with #cdddef

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 #cdddef: softer than #000 and cool enough to feel like part of the same palette. Seen in: Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: analogous] — Lilac is #cdddef's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Sand** #c2b280 [harmony, pool: complementary] — Sand sits directly opposite #cdddef on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Greige (https://brandsweets.com/palettes/neutral#greige), Sonos (https://brandsweets.com/colors/brands/sonos-com), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/sand
- **Amber** #ffbf00 [pool] — Amber is paired with #cdddef 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 Uber's brand system and Binance's brand system put Blue beside #cdddef, as the accent. Seen in: Uber (https://brandsweets.com/colors/brands/uber-com), Binance (https://brandsweets.com/colors/brands/binance-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #cdddef in 12 real palettes, including Gemstone and ClickUp's brand system, as the supporting colour. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), ClickUp (https://brandsweets.com/colors/brands/clickup-com), Fly.io (https://brandsweets.com/colors/brands/fly-io), Prepare your taste buds... (https://brandsweets.com/colors/brands/grubhub-com). — https://brandsweets.com/colors/blueviolet
- **Brown** #a52a2a [pool] — 5 real palettes, including Velvet and Woodsmoke put Brown beside #cdddef, as the lead colour. Seen in: Velvet (https://brandsweets.com/palettes/luxury#velvet), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Garnet (https://brandsweets.com/palettes/warm#garnet), Typewriter (https://brandsweets.com/palettes/editorial#typewriter). — https://brandsweets.com/colors/brown
- **Burgundy** #800020 [pool] — 5 real palettes, including Candlelight and Heinz's brand system put Burgundy beside #cdddef, as the lead colour. Seen in: Candlelight (https://brandsweets.com/palettes/warm#candlelight), Heinz (https://brandsweets.com/colors/brands/heinz-com), Mailchimp (https://brandsweets.com/colors/brands/mailchimp-com), Qatar Airways (https://brandsweets.com/colors/brands/qatarairways-com). — https://brandsweets.com/colors/burgundy

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

- On white (#ffffff): 1.38:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3b76ba (4.68:1); AA: background → #5e5e5e (4.69:1); AAA: text → #2c598c (7.2:1); AAA: background → #424242 (7.27:1)
- On black (#000000): 15.18:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Nikon** — accent #cddcf2 (Δ 0.567) — https://brandsweets.com/colors/brands/nikon-com
- **Opera** — secondary #d0dbe3 (Δ 1.577) — https://brandsweets.com/colors/brands/opera-com

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/cdddef-9caac4-df564e-1f202d-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: "#cdddef" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.