# #909bb2

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

## Values

- Hex: `#909bb2`
- RGB: rgb(144, 155, 178)
- HSL: hsl(221, 18%, 63%)
- OKLCH: oklch(0.688 0.036 265.1)
- Relative luminance: 0.3259
- Nearest named color: Blank Stare (#8b9cac, Δ 1.262) — https://brandsweets.com/colors/blank-stare
- Moods: cool, muted
- Page: https://brandsweets.com/colors/909bb2

## Tints & shades

- Tints (toward white): #9ca5ba, #a5adc0, #b1b8c9, #bac0cf, #c6cbd7, #cfd4de, #dbdee6, #e4e7ec, #f0f1f5, #f9fafb
- Shades (toward black): #7e8aa5, #6c7a99, #5e6b87, #525d75, #475166, #3b4354, #2e3442, #212630, #15181e, #080a0c

## Harmonies

- Complementary: #b2a790
- Analogous: #90abb2, #9690b2
- Triadic: #b2909a, #9ab290
- Split-complementary: #b29690, #abb290
- Tetradic: #b290ab, #b2a790, #90b296

## Colors that go with #909bb2

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 #909bb2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), 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 #909bb2 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
- **Burlywood** #deb887 [pool] — Burlywood is paired with #909bb2 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 #909bb2: 6 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 #909bb2: 4 real palettes, including Calm's brand system and Snowflake AI Data Cloud's brand system, as the lead colour. Seen in: Calm (https://brandsweets.com/colors/brands/calm-com), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Max (https://brandsweets.com/colors/brands/max-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #909bb2: 4 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] — 8 real palettes, including Open House and First Snow put Midnight Blue beside #909bb2, 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), Plaid (https://brandsweets.com/colors/brands/plaid-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Periwinkle** #ccccff [pool] — Periwinkle shows up next to #909bb2 in 4 real palettes, including Calendly's brand system and Lavender Milk, as the supporting colour. Seen in: Calendly (https://brandsweets.com/colors/brands/calendly-com), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/periwinkle

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

- On white (#ffffff): 2.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #667593 (4.63:1); AA: background → #333333 (4.52:1); AAA: text → #4d586f (7.14:1); AAA: background → #0a0a0a (7.09:1)
- On black (#000000): 7.52:1 — 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/909bb2-9ca4c4-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: "#909bb2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.