# #288da9

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

## Values

- Hex: `#288da9`
- RGB: rgb(40, 141, 169)
- HSL: hsl(193, 62%, 41%)
- OKLCH: oklch(0.599 0.098 220.9)
- Relative luminance: 0.2237
- Nearest named color: Blue Moon (#3992a8, Δ 1.97) — https://brandsweets.com/colors/blue-moon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/288da9

## Tints & shades

- Tints (toward white): #2ea2c2, #39b0d0, #51bad6, #6ac3dc, #83cde2, #98d6e7, #b1e0ed, #c9e9f2, #def2f7, #f7fcfd
- Shades (toward black): #247f99, #21758c, #1d677c, #195a6b, #164f5f, #12414e, #0f343e, #0b262d, #081c21, #040e11

## Harmonies

- Complementary: #a94428
- Analogous: #28a985, #284ca9
- Triadic: #a9288d, #8da928
- Split-complementary: #a9284c, #a98528
- Tetradic: #8528a9, #a94428, #4ca928

## Colors that go with #288da9

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 #288da9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #288da9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #288da9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Chocolate** #d2691e [harmony, pool: complementary] — Chocolate sits directly opposite #288da9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/chocolate
- **Amber** #ffbf00 [pool] — Amber is paired with #288da9 in 4 real palettes, including Beach Hut and Wired's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #288da9: 6 real palettes, including Hershey's's brand system and Glacier, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #288da9: 6 real palettes, including Telegram's brand system and Deep Water, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #288da9: 13 real palettes, including Peacock and Discover's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Discover (https://brandsweets.com/colors/brands/discover-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Capital One (https://brandsweets.com/colors/brands/capitalone-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.84:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #247f99 (4.59:1); AA: background → #1a1a1a (4.54:1); AAA: text → #1b6074 (7.07:1)
- On black (#000000): 5.47:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2ea2c2 (7.06:1)

## Curated palettes containing it

- **Launch Orange** (bold, warm, vivid, modern) — #ea580c, #1c1917, #0891b2, #ffffff — Orange is the rarest SaaS primary, which is exactly why it stands out on a pricing page; cyan keeps it from feeling like a hardware store. — tool: https://brandsweets.com/palettes/new/ea580c-1c1917-0891b2-ffffff — collection: https://brandsweets.com/palettes/bold

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/288da9-a2b5be-df4e75-1f242d-e9f1ef?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: "#288da9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.