# #b3ddf9

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

## Values

- Hex: `#b3ddf9`
- RGB: rgb(179, 221, 249)
- HSL: hsl(204, 85%, 84%)
- OKLCH: oklch(0.877 0.059 237.5)
- Relative luminance: 0.6814
- Nearest named color: Broad Daylight (#bbddff, Δ 1.34) — https://brandsweets.com/colors/broad-daylight
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/b3ddf9

## Tints & shades

- Tints (toward white): #b8dff9, #c2e3fa, #c6e6fa, #d0eafb, #d5ecfc, #d9eefc, #e3f2fd, #e7f4fd, #f1f9fe, #f6fbfe
- Shades (toward black): #8eccf6, #68bbf3, #42aaf0, #1d99ed, #1183d0, #0e6baa, #0b5484, #083c5e, #052439, #020c13

## Harmonies

- Complementary: #f9cfb4
- Analogous: #b4f9f2, #b4baf9
- Triadic: #f9b4dd, #ddf9b4
- Split-complementary: #f9b4ba, #f9f2b4
- Tetradic: #f2b4f9, #f9cfb4, #baf9b4

## Colors that go with #b3ddf9

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 #b3ddf9: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Goldenrod** #daa520 [harmony, pool: split] — Goldenrod is a split-complement of #b3ddf9: 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), Candlelight (https://brandsweets.com/palettes/warm#candlelight), Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/goldenrod
- **Dark Orange** #ff8c00 [harmony, pool: complementary] — Dark Orange sits directly opposite #b3ddf9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com). — https://brandsweets.com/colors/darkorange
- **Amber** #ffbf00 [pool] — Amber is paired with #b3ddf9 in 5 real palettes, including Salesforce's brand system and Blueprint, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), 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 #b3ddf9, 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 #b3ddf9, 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 #b3ddf9 in 5 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), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #b3ddf9: 6 real palettes, including Coastal and Estate, as the lead colour. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Estate (https://brandsweets.com/palettes/luxury#estate), Dusk (https://brandsweets.com/palettes/cool#dusk), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 1.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #107ac1 (4.59:1); AA: background → #5e5e5e (4.52:1); AAA: text → #0c5c92 (7.09:1); AAA: background → #404040 (7.22:1)
- On black (#000000): 14.63:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Steam** — secondary #b3daff (Δ 1.342) — https://brandsweets.com/colors/brands/steampowered-com
- **Mistral AI** — accent #b9daff (Δ 1.513) — https://brandsweets.com/colors/brands/mistral-ai

## Curated palettes containing it

- **Sorbet** (pastel, light, friendly) — #ffb4a2, #ffd6a5, #bde0fe, #ffffff, #2f2a33 — Peach, apricot and baby blue on white — a soft consumer-app palette that still gets AA text from a single dark ink. — tool: https://brandsweets.com/palettes/new/ffb4a2-ffd6a5-bde0fe-ffffff-2f2a33 — collection: https://brandsweets.com/palettes/pastel
- **Blue Mono** (monochrome, cool, clean, technical) — #1e40af, #60a5fa, #bfdbfe, #f8fafc, #172554 — One blue at four lightnesses — monochromatic in the colour-theory sense; the deep step is the text, the pale step the surface tint. — tool: https://brandsweets.com/palettes/new/1e40af-60a5fa-bfdbfe-f8fafc-172554 — collection: https://brandsweets.com/palettes/monochrome

## 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/b3ddf9-9cafc4-df4e5a-1f222d-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: "#b3ddf9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.