# #0f4457

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

## Values

- Hex: `#0f4457`
- RGB: rgb(15, 68, 87)
- HSL: hsl(196, 71%, 20%)
- OKLCH: oklch(0.362 0.062 226.9)
- Relative luminance: 0.0492
- Nearest named color: Capital Blue (#1a4157, Δ 1.159) — https://brandsweets.com/colors/capital-blue
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/0f4457

## Tints & shades

- Tints (toward white): #155f7a, #1b7a9d, #2092bc, #29abdb, #4cb9e1, #6fc7e7, #92d4ed, #b1e0f2, #d3eef8, #f6fcfe
- Shades (toward black): #0d3d4e, #0d3a4a, #0b3341, #0a303d, #092934, #07222c, #071f27, #05181f, #04141a, #030e11

## Harmonies

- Complementary: #57220f
- Analogous: #0f5746, #0f2057
- Triadic: #570f44, #44570f
- Split-complementary: #570f20, #57460f
- Tetradic: #460f57, #57220f, #20570f

## Colors that go with #0f4457

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: split] — Crimson is a split-complement of #0f4457: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), 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). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #0f4457's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Confluent (https://brandsweets.com/colors/brands/confluent-io), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #0f4457'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), Gusto (https://brandsweets.com/colors/brands/gusto-com), N26 (https://brandsweets.com/colors/brands/n26-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #0f4457 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
- **Blue** #0000ff [pool] — 11 real palettes, including Jeep's brand system and Alaska Airlines's brand system put Blue beside #0f4457, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #0f4457, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #0f4457: 5 real palettes, including Paper & Pine and Coastal, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Coastal (https://brandsweets.com/palettes/cool#coastal), Open House (https://brandsweets.com/palettes/clean#open-house), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/cadetblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #0f4457: 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): 10.58:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1b7ea1 (4.55:1); AA: background → #ababab (4.61:1); AAA: text → #23a3d1 (7.23:1); AAA: background → #d4d4d4 (7.14:1)

## Brands using this color

- **Disney** — secondary #054553 (Δ 1.011) — https://brandsweets.com/colors/brands/disney-com
- **Codecademy** — primary #1c4454 (Δ 1.022) — https://brandsweets.com/colors/brands/codecademy-com
- **IHG** — accent #1f4456 (Δ 1.214) — https://brandsweets.com/colors/brands/ihg-com

## 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/0f4457-9cb5c4-df4e6e-1f232d-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: "#0f4457" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.