# #0f3499

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

## Values

- Hex: `#0f3499`
- RGB: rgb(15, 52, 153)
- HSL: hsl(224, 82%, 33%)
- OKLCH: oklch(0.376 0.169 264.1)
- Relative luminance: 0.0486
- Nearest named color: Depths of Night (#2c319b, Δ 2.825) — https://brandsweets.com/colors/depths-of-night
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/0f3499

## Tints & shades

- Tints (toward white): #123fba, #1548d5, #2559e9, #416eec, #6187ef, #7d9cf2, #9eb5f5, #b9caf8, #dae3fb, #f6f8fe
- Shades (toward black): #0e2f8b, #0c2b7d, #0b266f, #0a2161, #091e58, #07194a, #06143c, #05102e, #030b20, #020613

## Harmonies

- Complementary: #99740f
- Analogous: #0f7999, #2f0f99
- Triadic: #990f34, #34990f
- Split-complementary: #992f0f, #79990f
- Tetradic: #990f79, #99740f, #0f992f

## Colors that go with #0f3499

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 #0f3499: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #0f3499's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 6 real palettes, including Procter & Gamble's brand system and CVS's brand system put Blue beside #0f3499, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #0f3499 in 11 real palettes, including Pepsi's brand system and Walgreens's brand system, as the supporting colour. Seen in: Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0f3499: 10 real palettes, including Warbyparker's brand system and Unilever's brand system, as the accent. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/denim
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #0f3499 in 4 real palettes, including Tide's brand system and NASA's brand system, as the accent. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Intercom (https://brandsweets.com/colors/brands/intercom-com), Soundcloud (https://brandsweets.com/colors/brands/soundcloud-com). — https://brandsweets.com/colors/orangered
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #0f3499 in 10 real palettes, including Nivea's brand system and Nokia's brand system, as the supporting colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Discord (https://brandsweets.com/colors/brands/discord), NHL (https://brandsweets.com/colors/brands/nhl-com). — https://brandsweets.com/colors/royalblue
- **Tomato** #ff6347 [pool] — 5 real palettes, including dbt Labs's brand system and Etsy's brand system put Tomato beside #0f3499, as the lead colour. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Etsy (https://brandsweets.com/colors/brands/etsy-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), FedEx (https://brandsweets.com/colors/brands/fedex-com). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 10.65:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3c6bec (4.51:1); AA: background → #ababab (4.64:1); AAA: text → #6f92f1 (7.06:1); AAA: background → #d4d4d4 (7.19:1)

## Brands using this color

- **Hershey's** — secondary #003594 (Δ 1.133) — https://brandsweets.com/colors/brands/hersheys-com
- **Tide** — primary #1b3392 (Δ 1.438) — https://brandsweets.com/colors/brands/tide-com
- **Nivea** — primary #0032a0 (Δ 1.452) — https://brandsweets.com/colors/brands/nivea-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/0f3499-9ca2c4-df724e-221f2d-e9eff1?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: "#0f3499" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.