# #0d345e

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

## Values

- Hex: `#0d345e`
- RGB: rgb(13, 52, 94)
- HSL: hsl(211, 76%, 21%)
- OKLCH: oklch(0.323 0.086 253.5)
- Relative luminance: 0.0335
- Nearest named color: Marine (#042e60, Δ 2.14) — https://brandsweets.com/colors/marine
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/0d345e

## Tints & shades

- Tints (toward white): #124882, #1659a2, #1b6dc5, #2881e2, #4b96e7, #6ba9eb, #8fbef0, #b3d3f5, #d2e5f9, #f6fafe
- Shades (toward black): #0c2f55, #0b2d51, #0a2848, #09233f, #08203a, #071b31, #061628, #04111f, #040f1b, #020a12

## Harmonies

- Complementary: #5e370d
- Analogous: #0d5d5e, #0e0d5e
- Triadic: #5e0d34, #345e0d
- Split-complementary: #5e0e0d, #5d5e0d
- Tetradic: #5e0d5d, #5e370d, #0d5e0e

## Colors that go with #0d345e

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 #0d345e — 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), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Teal** #008080 [harmony, pool: analogous] — Teal is #0d345e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), N26 (https://brandsweets.com/colors/brands/n26-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com). — https://brandsweets.com/colors/teal
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #0d345e 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). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #0d345e in 4 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] — 12 real palettes, including Alaska Airlines's brand system and Monzo's brand system put Blue beside #0d345e, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #0d345e, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #0d345e in 4 real palettes, including Coastal and Polaroid, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #0d345e: 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): 12.58:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.67:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1d75d3 (4.54:1); AA: background → #9c9c9c (4.58:1); AAA: text → #5099e7 (7.05:1); AAA: background → #c2c2c2 (7.06:1)

## Brands using this color

- **Panasonic** — secondary #0f315f (Δ 0.967) — https://brandsweets.com/colors/brands/panasonic-com
- **Confluent** — primary #143464 (Δ 1.244) — https://brandsweets.com/colors/brands/confluent-io
- **CeraVe** — secondary #0e3353 (Δ 1.951) — https://brandsweets.com/colors/brands/cerave-com

## Curated palettes containing it

- **Frost & Ember** (winter, bold, cool, vivid) — #1d3557, #a8dadc, #e63946, #f1faee — Navy and frost with one ember red — the classic cold-with-a-warm-accent structure, borrowed from a thousand ski posters. — tool: https://brandsweets.com/palettes/new/1d3557-a8dadc-e63946-f1faee — collection: https://brandsweets.com/palettes/winter

## 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/0d345e-9cabc4-df534e-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: "#0d345e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.