# #2d689f

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

## Values

- Hex: `#2d689f`
- RGB: rgb(45, 104, 159)
- HSL: hsl(209, 56%, 40%)
- OKLCH: oklch(0.505 0.107 249.4)
- Relative luminance: 0.1296
- Nearest named color: Chill of the Night (#256d8d, Δ 3.668) — https://brandsweets.com/colors/chill-of-the-night
- Moods: cool, modern
- Page: https://brandsweets.com/colors/2d689f

## Tints & shades

- Tints (toward white): #3477b7, #4087c9, #5493cf, #6ca2d5, #84b1dc, #9cc0e3, #b3cfea, #c7dcef, #dfebf6, #f7fafd
- Shades (toward black): #285e8f, #255683, #214b73, #1d4467, #193958, #142f48, #11273c, #0c1d2c, #091520, #040a10

## Harmonies

- Complementary: #9f642d
- Analogous: #2d9f9d, #2d2f9f
- Triadic: #9f2d68, #689f2d
- Split-complementary: #9f2d2f, #9f9d2d
- Tetradic: #9d2d9f, #9f642d, #2f9f2d

## Colors that go with #2d689f

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 #2d689f: softer than #000 and cool enough to feel like part of the same palette. Seen in: Amazon (https://brandsweets.com/colors/brands/amazon-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #2d689f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Costco (https://brandsweets.com/colors/brands/costco-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #2d689f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #2d689f in 8 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #2d689f, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2d689f: 8 real palettes, including Fintech Trust and Glacier, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #2d689f: 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), NBA (https://brandsweets.com/colors/brands/nba-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #2d689f: 4 real palettes, including Venmo's brand system and Deep Water, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 5.85:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #275b8b (7.11:1)
- On black (#000000): 3.59:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #357abb (4.65:1); AA: background → #e3e3e3 (4.55:1); AAA: text → #609bd2 (7.12:1)

## Fonts for this mood

- 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/2d689f-9cacc4-df4e4e-1f212d-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: "#2d689f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.