# #0a2f6b

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

## Values

- Hex: `#0a2f6b`
- RGB: rgb(10, 47, 107)
- HSL: hsl(217, 83%, 23%)
- OKLCH: oklch(0.32 0.113 260.1)
- Relative luminance: 0.0316
- Nearest named color: Atlantic Navy (#13336f, Δ 1.602) — https://brandsweets.com/colors/atlantic-navy
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/0a2f6b

## Tints & shades

- Tints (toward white): #0d4091, #104eb1, #145fd7, #2470eb, #4988ee, #6a9ef1, #8fb6f5, #b0cbf8, #d5e4fb, #f6f9fe
- Shades (toward black): #092b62, #082759, #07234f, #071f46, #061d41, #051938, #04152f, #031025, #030c1c, #020813

## Harmonies

- Complementary: #6b460a
- Analogous: #0a606b, #150a6b
- Triadic: #6b0a2f, #2f6b0a
- Split-complementary: #6b150a, #606b0a
- Tetradic: #6b0a60, #6b460a, #0a6b15

## Colors that go with #0a2f6b

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 #0a2f6b: softer than #000 and cool enough to feel like part of the same palette. Seen in: CeraVe (https://brandsweets.com/colors/brands/cerave-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Chobani (https://brandsweets.com/colors/brands/chobani-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #0a2f6b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #0a2f6b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 8 real palettes, including Alaska Airlines's brand system and Monzo's brand system put Blue beside #0a2f6b, 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), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #0a2f6b: 5 real palettes, including Open House and Coastal, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal), SoFi (https://brandsweets.com/colors/brands/sofi-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #0a2f6b: 4 real palettes, including Purina Pro Plan's brand system and Blue Mono, as the accent. Seen in: Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), MLB (https://brandsweets.com/colors/brands/mlb-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/cobalt
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #0a2f6b: 5 real palettes, including Kraken's brand system and Lamborghini's brand system, as the accent. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #0a2f6b: 20 real palettes, including Panasonic's brand system and Hasbro's brand system, as the accent. Seen in: Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Skechers (https://brandsweets.com/colors/brands/skechers-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 12.87:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.63:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2470eb (4.59:1); AA: background → #999999 (4.52:1); AAA: text → #6098f0 (7.25:1); AAA: background → #c2c2c2 (7.22:1)

## Brands using this color

- **Nintendo** — primary #042c6c (Δ 1.035) — https://brandsweets.com/colors/brands/nintendo-com
- **Gillette** — accent #182f6e (Δ 1.307) — https://brandsweets.com/colors/brands/gillette-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/0a2f6b-9ca7c4-df624e-201f2d-e9f0f1?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: "#0a2f6b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.