# #b1b3c3

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

## Values

- Hex: `#b1b3c3`
- RGB: rgb(177, 179, 195)
- HSL: hsl(233, 13%, 73%)
- OKLCH: oklch(0.77 0.023 280.2)
- Relative luminance: 0.4553
- Nearest named color: Nebulous December (#b3b2bf, Δ 0.58) — https://brandsweets.com/colors/nebulous-december
- Moods: cool, muted, light, minimal, clean
- Page: https://brandsweets.com/colors/b1b3c3

## Tints & shades

- Tints (toward white): #babcca, #c0c1ce, #c8cad5, #cecfd9, #d7d8e0, #dcdde4, #e5e6eb, #ebebef, #f3f4f6, #f9f9fb
- Shades (toward black): #9da0b4, #898ca4, #757895, #646782, #575a70, #47495c, #373948, #282934, #181920, #09090c

## Harmonies

- Complementary: #c3c1b1
- Analogous: #b1bcc3, #b8b1c3
- Triadic: #c3b1b3, #b3c3b1
- Split-complementary: #c3b8b1, #bcc3b1
- Tetradic: #c3b1bc, #c3c1b1, #b1c3b8

## Colors that go with #b1b3c3

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 that reads cleanly against #b1b3c3 without the hard edge of pure #000. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Mercury (https://brandsweets.com/colors/brands/mercury-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [pool] — Designers have shipped Copper with #b1b3c3: 6 real palettes, including Clean Beauty and Riverbed, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #b1b3c3 in 5 real palettes, including Cartier's brand system and Casper Sleep's brand system, as the accent. Seen in: Cartier (https://brandsweets.com/colors/brands/cartier-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), 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 #b1b3c3: 5 real palettes, including Max's brand system and Calm's brand system, as the supporting colour. Seen in: Max (https://brandsweets.com/colors/brands/max-com), Calm (https://brandsweets.com/colors/brands/calm-com), Calendly (https://brandsweets.com/colors/brands/calendly-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b1b3c3: 5 real palettes, including Open House and Dusk, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Victoria's Secret (https://brandsweets.com/colors/brands/victoriassecret-com). — https://brandsweets.com/colors/denim
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #b1b3c3 in 4 real palettes, including Desert Road and Canopy, as the accent. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Canopy (https://brandsweets.com/palettes/cool#canopy), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/hunter-green
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Lavender Milk and First Snow put Midnight Blue beside #b1b3c3, as the text colour against it. Seen in: Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), First Snow (https://brandsweets.com/palettes/cool#first-snow), Open House (https://brandsweets.com/palettes/clean#open-house), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #b1b3c3: 5 real palettes, including Crypto.com's brand system and First Snow, as the supporting colour. Seen in: Crypto.com (https://brandsweets.com/colors/brands/crypto-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Stone (https://brandsweets.com/palettes/neutral#stone), Steam (https://brandsweets.com/colors/brands/steampowered-com). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 2.08:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6f7390 (4.63:1); AA: background → #454545 (4.61:1); AAA: text → #54576d (7.09:1); AAA: background → #292929 (7:1)
- On black (#000000): 10.11:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Midnight Luxe** (luxury, dark, elegant) — #cbb26a, #8b83a8, #b8b8c8, #0a0a12, #efe9dd — Champagne gold on ink-navy with a violet undertone — hotels and spirits use it because it reads expensive at any size. — tool: https://brandsweets.com/palettes/new/cbb26a-8b83a8-b8b8c8-0a0a12-efe9dd — collection: https://brandsweets.com/palettes/luxury

## Fonts for this mood

- minimal: https://brandsweets.com/fonts/mood/minimal
- 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/b1b3c3-9c9cc4-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: "#b1b3c3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.