# #b3c1df

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

## Values

- Hex: `#b3c1df`
- RGB: rgb(179, 193, 223)
- HSL: hsl(221, 41%, 79%)
- OKLCH: oklch(0.81 0.045 265.5)
- Relative luminance: 0.5305
- Nearest named color: lightsteelblue (#b0c4de, Δ 0.915) — https://brandsweets.com/colors/lightsteelblue
- Moods: cool, light, clean, modern
- Page: https://brandsweets.com/colors/b3c1df

## Tints & shades

- Tints (toward white): #bbc7e2, #c2cde5, #c9d3e8, #d0d9eb, #d7dfee, #dbe2f0, #e2e8f3, #e9edf6, #f1f3f9, #f8f9fc
- Shades (toward black): #9aadd5, #7e95c9, #6481be, #4a6ab0, #3f5b97, #334a7a, #293a61, #1d2944, #121a2b, #06090e

## Harmonies

- Complementary: #dfd2b3
- Analogous: #b3d7df, #bcb3df
- Triadic: #dfb3c1, #c1dfb3
- Split-complementary: #dfbcb3, #d7dfb3
- Tetradic: #dfb3d7, #dfd2b3, #b3dfbc

## Colors that go with #b3c1df

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 #b3c1df: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Harbour (https://brandsweets.com/palettes/cool#harbour), Coastal (https://brandsweets.com/palettes/cool#coastal), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/charcoal
- **Sand** #c2b280 [harmony, pool: complementary] — Sand sits directly opposite #b3c1df on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/sand
- **Crimson** #dc143c [pool] — Crimson is paired with #b3c1df in 5 real palettes, including Frost & Ember and Cartier's brand system, as the accent. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Cartier (https://brandsweets.com/colors/brands/cartier-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), JBL (https://brandsweets.com/colors/brands/jbl-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #b3c1df: 5 real palettes, including Max's brand system and Calendly's brand system, as the supporting colour. Seen in: Max (https://brandsweets.com/colors/brands/max-com), Calendly (https://brandsweets.com/colors/brands/calendly-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b3c1df: 5 real palettes, including Nikon's brand system and Fitbit's brand system, as the supporting colour. Seen in: Nikon (https://brandsweets.com/colors/brands/nikon-com), Fitbit (https://brandsweets.com/colors/brands/fitbit-com), Victoria's Secret (https://brandsweets.com/colors/brands/victoriassecret-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Lavender Milk and Telehealth put Midnight Blue beside #b3c1df, as the text colour against it. Seen in: Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Telehealth (https://brandsweets.com/palettes/modern#telehealth), First Snow (https://brandsweets.com/palettes/cool#first-snow), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Red** #ff0000 [pool] — Red is paired with #b3c1df in 4 real palettes, including Mattel's brand system and Tinder's brand system, as the supporting colour. Seen in: Mattel (https://brandsweets.com/colors/brands/mattel-com), Tinder (https://brandsweets.com/colors/brands/tinder-com), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), LG (https://brandsweets.com/colors/brands/lg-com). — https://brandsweets.com/colors/red
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #b3c1df: 4 real palettes, including Stone and Oatmeal, as the supporting colour. Seen in: Stone (https://brandsweets.com/palettes/neutral#stone), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 1.81:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5675b8 (4.53:1); AA: background → #4f4f4f (4.53:1); AAA: text → #3c5790 (7.1:1); AAA: background → #303030 (7.3:1)
- On black (#000000): 11.61:1 — AA pass, AA-large pass, AAA pass

## 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/b3c1df-9ca4c4-df6b4e-211f2d-e9eff1?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: "#b3c1df" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.