# #b3bbf5

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

## Values

- Hex: `#b3bbf5`
- RGB: rgb(179, 187, 245)
- HSL: hsl(233, 77%, 83%)
- OKLCH: oklch(0.806 0.082 278.3)
- Relative luminance: 0.5172
- Nearest named color: Purple Illusion (#b8b8f8, Δ 1.17) — https://brandsweets.com/colors/purple-illusion
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/b3bbf5

## Tints & shades

- Tints (toward white): #bbc2f6, #c0c6f7, #c9cef8, #cdd2f9, #d6dbfa, #dbdffa, #e4e7fb, #e8ebfc, #f1f3fd, #f6f7fe
- Shades (toward black): #8e9af0, #6a79ec, #4659e7, #2238e2, #1a2ec7, #1526a2, #101d7e, #0c155a, #070d36, #020412

## Harmonies

- Complementary: #f5edb2
- Analogous: #b2dbf5, #ccb2f5
- Triadic: #f5b2ba, #baf5b2
- Split-complementary: #f5ccb2, #dbf5b2
- Tetradic: #f5b2db, #f5edb2, #b2f5cc

## Colors that go with #b3bbf5

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 #b3bbf5: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #b3bbf5's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Max (https://brandsweets.com/colors/brands/max-com), Calendly (https://brandsweets.com/colors/brands/calendly-com), Calm (https://brandsweets.com/colors/brands/calm-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Goldenrod** #daa520 [harmony, pool: complementary] — Goldenrod sits directly opposite #b3bbf5 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **Amber** #ffbf00 [pool] — Amber is paired with #b3bbf5 in 4 real palettes, including Salesforce's brand system and NBA's brand system, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b3bbf5: 5 real palettes, including Nikon's brand system and Coca-Cola's brand system, as the supporting colour. Seen in: Nikon (https://brandsweets.com/colors/brands/nikon-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Lavender Milk and Lavender Haze put Midnight Blue beside #b3bbf5, as the text colour against it. Seen in: Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b3bbf5 in 6 real palettes, including Telehealth and 1password's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com), Sephora (https://brandsweets.com/colors/brands/sephora-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 9 real palettes, including Midnight Luxe and Dusty Blue put Slate Gray beside #b3bbf5, as the supporting colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Still Water (https://brandsweets.com/palettes/cool#still-water), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/slategray

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

- On white (#ffffff): 1.85:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5869e9 (4.55:1); AA: background → #4d4d4d (4.57:1); AAA: text → #2b40e3 (7.13:1); AAA: background → #303030 (7.13:1)
- On black (#000000): 11.34:1 — AA pass, AA-large pass, AAA pass

## 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/b3bbf5-9c9cc4-df884e-241f2d-e9eef1?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: "#b3bbf5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.