# #819cbb

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

## Values

- Hex: `#819cbb`
- RGB: rgb(129, 156, 187)
- HSL: hsl(212, 30%, 62%)
- OKLCH: oklch(0.683 0.055 252.1)
- Relative luminance: 0.3203
- Nearest named color: Blank Stare (#8b9cac, Δ 2.492) — https://brandsweets.com/colors/blank-stare
- Moods: cool, muted
- Page: https://brandsweets.com/colors/819cbb

## Tints & shades

- Tints (toward white): #8ea7c2, #98aec8, #a5b9cf, #afc1d4, #bdcbdb, #cad5e2, #d4dde8, #e1e8ef, #ebeff4, #f8fafb
- Shades (toward black): #6d8db0, #597da6, #507095, #466181, #3b526d, #30435a, #253446, #1d2835, #121921, #070a0d

## Harmonies

- Complementary: #bba081
- Analogous: #81b9bb, #8381bb
- Triadic: #bb819c, #9cbb81
- Split-complementary: #bb8381, #b9bb81
- Tetradic: #bb81b9, #bba081, #81bb83

## Colors that go with #819cbb

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 #819cbb: 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), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Peru** #cd853f [harmony, pool: complementary] — Peru sits directly opposite #819cbb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Amber** #ffbf00 [pool] — Amber is paired with #819cbb in 5 real palettes, including NBA's brand system and Ahrefs's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Burlywood** #deb887 [pool] — Burlywood is paired with #819cbb in 4 real palettes, including Polaroid and Kiln, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/burlywood
- **Copper** #b87333 [pool] — Designers have shipped Copper with #819cbb: 4 real palettes, including Dusk and Riverbed, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #819cbb: 4 real palettes, including Snowflake AI Data Cloud's brand system and Calm's brand system, as the supporting colour. Seen in: Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Calm (https://brandsweets.com/colors/brands/calm-com), Remix (https://brandsweets.com/colors/brands/remix-run), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #819cbb: 5 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Open House and First Snow put Midnight Blue beside #819cbb, as the text colour against it. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), First Snow (https://brandsweets.com/palettes/cool#first-snow), Confluent (https://brandsweets.com/colors/brands/confluent-io), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.84:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #56789f (4.58:1); AA: background → #303030 (4.65:1); AAA: text → #405a77 (7.13:1); AAA: background → #080808 (7.06:1)
- On black (#000000): 7.41:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Dusk** (cool, muted, elegant) — #4b5d8a, #8b97b3, #c07a4e, #eef0f4, #1f2430 — Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals. — tool: https://brandsweets.com/palettes/new/4b5d8a-8b97b3-c07a4e-eef0f4-1f2430 — collection: https://brandsweets.com/palettes/cool

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/819cbb-9caac4-df564e-1f202d-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: "#819cbb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.