# #0f5271

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

## Values

- Hex: `#0f5271`
- RGB: rgb(15, 82, 113)
- HSL: hsl(199, 77%, 25%)
- OKLCH: oklch(0.415 0.081 234.7)
- Relative luminance: 0.0733
- Nearest named color: Raging Thunderstorm (#004f63, Δ 2.584) — https://brandsweets.com/colors/raging-thunderstorm
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/0f5271

## Tints & shades

- Tints (toward white): #136990, #1783b5, #1c9ad4, #2fabe4, #53b9e9, #73c6ed, #93d3f1, #b2e0f5, #d6effa, #f6fbfe
- Shades (toward black): #0d4b68, #0c455f, #0b3e56, #0a384d, #093144, #072736, #06212d, #051a24, #04141b, #020d12

## Harmonies

- Complementary: #712e0f
- Analogous: #0f715f, #0f2171
- Triadic: #710f52, #52710f
- Split-complementary: #710f21, #715f0f
- Tetradic: #5f0f71, #712e0f, #21710f

## Colors that go with #0f5271

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 #0f5271: 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), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #0f5271's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Zoom (https://brandsweets.com/colors/brands/zoom-us), Motorola (https://brandsweets.com/colors/brands/motorola-com), Disney (https://brandsweets.com/colors/brands/disney-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: analogous] — Teal is #0f5271's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Gusto (https://brandsweets.com/colors/brands/gusto-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Blue** #0000ff [pool] — 7 real palettes, including Alaska Airlines's brand system and CVS's brand system put Blue beside #0f5271, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #0f5271: 4 real palettes, including Open House and Dusk, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0f5271: 15 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #0f5271 in 5 real palettes, including Disney's brand system and Fireside, as the accent. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Fireside (https://brandsweets.com/palettes/dark#fireside), Open House (https://brandsweets.com/palettes/clean#open-house), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #0f5271: 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): 8.52:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #167cac (4.51:1); AA: background → #bdbdbd (4.53:1); AAA: text → #1da0dd (7.12:1); AAA: background → #ebebeb (7.14:1)

## 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/0f5271-9cb3c4-df4e66-1f232d-e9f1f0?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: "#0f5271" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.