# #0d2d49

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

## Values

- Hex: `#0d2d49`
- RGB: rgb(13, 45, 73)
- HSL: hsl(208, 70%, 17%)
- OKLCH: oklch(0.29 0.063 248.4)
- Relative luminance: 0.0244
- Nearest named color: Midnight Ocean (#0f2d4d, Δ 0.78) — https://brandsweets.com/colors/midnight-ocean
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/0d2d49

## Tints & shades

- Tints (toward white): #13436c, #19588f, #1f6db2, #2583d4, #4999df, #6cace5, #8ec0eb, #b1d3f1, #d4e7f7, #f6fafd
- Shades (toward black): #0c2b45, #0b253d, #0a2338, #092034, #081d30, #071827, #061523, #05131e, #040d16, #030b11

## Harmonies

- Complementary: #4a290d
- Analogous: #0d4a48, #0d0f4a
- Triadic: #4a0d2d, #2d4a0d
- Split-complementary: #4a0d0f, #4a480d
- Tetradic: #480d4a, #4a290d, #0f4a0d

## Colors that go with #0d2d49

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0d2d49 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Marvel (https://brandsweets.com/colors/brands/marvel-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #0d2d49: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Harvest (https://brandsweets.com/palettes/warm#harvest), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #0d2d49 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/sienna
- **Slate Blue** #6a5acd [harmony, pool: analogous] — Slate Blue is #0d2d49's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitLab (https://brandsweets.com/colors/brands/gitlab), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/slateblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #0d2d49's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), N26 (https://brandsweets.com/colors/brands/n26-com), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #0d2d49 in 10 real palettes, including Beach Hut and Southwest Airlines's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 19 real palettes, including Monzo's brand system and Sketch's brand system put Blue beside #0d2d49, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #0d2d49: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 14.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.49:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2278c3 (4.54:1); AA: background → #949494 (4.65:1); AAA: text → #4d9be0 (7.08:1); AAA: background → #b8b8b8 (7.11:1)

## Brands using this color

- **Plaid** — secondary #02294b (Δ 1.799) — https://brandsweets.com/colors/brands/plaid-com
- **Skechers** — primary #062849 (Δ 1.872) — https://brandsweets.com/colors/brands/skechers-com

## Curated palettes containing it

- **Open House** (clean, cool, modern) — #2f6690, #8fa3b8, #e3a72f, #ffffff, #1b2a41 — Steel blue for trust, warm gold for the sold moment — an approachable brokerage that still feels established. — tool: https://brandsweets.com/palettes/new/2f6690-8fa3b8-e3a72f-ffffff-1b2a41 — collection: https://brandsweets.com/palettes/clean

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/0d2d49-9cadc4-df4e51-1f212d-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: "#0d2d49" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.