Named color
Atlantic Navy
#13336frgb(19, 51, 111)hsl(219, 71%, 25%)oklch(0.336 0.111 261.5)Atlantic Navy on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 3 public brands that use it and the palettes it appears in.
Colors that go with Atlantic Navy
Steel Blue, Blue and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Steel Blue #4682b4
analogousshippedSteel Blue is Atlantic Navy's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped8 real palettes, including Alaska Airlines's brand system and Procter & Gamble's brand system put Blue beside Atlantic Navy, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with Atlantic Navy: 4 real palettes, including Open House and Coastal, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with Atlantic Navy: 4 real palettes, including Purina Pro Plan's brand system and Blue Mono, as the accent.
Crimson #dc143c
shippedCrimson is paired with Atlantic Navy in 7 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with Atlantic Navy: 5 real palettes, including Lamborghini's brand system and Kraken's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with Atlantic Navy: 18 real palettes, including Panasonic's brand system and Hasbro's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for Atlantic Navy: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use Atlantic Navy
Tints & shades
Harmonies
Contrast
| Atlantic Navy as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.13:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.73:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with Atlantic Navy as the background.
Brands using this color
Fonts for this mood
Atlantic Navy reads as cool, vivid, dark. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #13336f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/13336f-9ca5c4-df664e-211f2d-e9f0f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md