Color
#043f76
#043f76rgb(4, 63, 118)hsl(209, 93%, 24%)oklch(0.367 0.109 252.8)Colors that go with #043f76
Powder Blue, Sky Blue and Slate Gray 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.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #043f76 in 5 real palettes, including Glacier and First Snow, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Sky Blue #87ceeb
shippedSky Blue is paired with #043f76 in 4 real palettes, including Harbour and Dusty Blue, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Slate Gray #708090
shippedSlate Gray is paired with #043f76 in 4 real palettes, including Ink & Paper and Dusty Blue, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Steel Blue #4682b4
shippedSteel Blue is paired with #043f76 in 4 real palettes, including Plaid's brand system and Glacier, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Sienna #a0522d
complementarySienna sits directly opposite #043f76 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Teal #008080
analogousshippedTeal is #043f76's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
triadicshippedCrimson completes a triad with #043f76 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #043f76: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #043f76
Tints & shades
Harmonies
Contrast
| #043f76 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.62:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.98:1 | 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 #043f76 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#043f76 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 #043f76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/043f76-9cacc4-df4e4e-1f212d-e9f1f1?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