# #c3d9ee

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

## Values

- Hex: `#c3d9ee`
- RGB: rgb(195, 217, 238)
- HSL: hsl(209, 56%, 85%)
- OKLCH: oklch(0.876 0.038 247)
- Relative luminance: 0.674
- Nearest named color: Fly a Kite (#c8daf5, Δ 1.205) — https://brandsweets.com/colors/fly-a-kite
- Moods: cool, light, clean, modern
- Page: https://brandsweets.com/colors/c3d9ee

## Tints & shades

- Tints (toward white): #c7dcef, #cfe1f2, #d3e3f3, #d7e6f4, #dfebf6, #e3edf7, #e7f0f8, #ebf2f9, #f3f7fc, #f7fafd
- Shades (toward black): #a4c5e5, #84b1dc, #649dd3, #4489ca, #3275b3, #285e8f, #1f496f, #163450, #0d1f30, #040a10

## Harmonies

- Complementary: #eed8c3
- Analogous: #c3eeed, #c3c4ee
- Triadic: #eec3d9, #d9eec3
- Split-complementary: #eec3c4, #eeedc3
- Tetradic: #edc3ee, #eed8c3, #c4eec3

## Colors that go with #c3d9ee

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 #c3d9ee: softer than #000 and cool enough to feel like part of the same palette. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: analogous] — Lilac is #c3d9ee'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 #c3d9ee 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 #c3d9ee in 6 real palettes, including Blueprint and Salesforce's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Uber's brand system and Dropbox's brand system put Blue beside #c3d9ee, as the accent. Seen in: Uber (https://brandsweets.com/colors/brands/uber-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Binance (https://brandsweets.com/colors/brands/binance-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Brown** #a52a2a [pool] — 4 real palettes, including Velvet and Woodsmoke put Brown beside #c3d9ee, 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
- **Burlywood** #deb887 [pool] — Burlywood is paired with #c3d9ee in 6 real palettes, including Coastal and Velvet, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Velvet (https://brandsweets.com/palettes/luxury#velvet), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #c3d9ee: 6 real palettes, including Estate and Coastal, as the supporting colour. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Coastal (https://brandsweets.com/palettes/cool#coastal), Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 1.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #357abb (4.51:1); AA: background → #5c5c5c (4.61:1); AAA: text → #275b8b (7.11:1); AAA: background → #404040 (7.15:1)
- On black (#000000): 14.48:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Nikon** — accent #cddcf2 (Δ 1.629) — https://brandsweets.com/colors/brands/nikon-com
- **Audible** — secondary #c0d2e9 (Δ 1.872) — https://brandsweets.com/colors/brands/audible-com

## Curated palettes containing it

- **First Snow** (winter, cool, light, minimal) — #2b4c7e, #8fa8c8, #c9d6e3, #fbfcfe, #14213d — Ice blue on snow-white with a deep navy — the quietest winter palette; everything is a tint of one cold hue. — tool: https://brandsweets.com/palettes/new/2b4c7e-8fa8c8-c9d6e3-fbfcfe-14213d — collection: https://brandsweets.com/palettes/winter

## 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/c3d9ee-9cacc4-df4e4e-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: "#c3d9ee" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.