Color
#042f86
#042f86rgb(4, 47, 134)hsl(220, 94%, 27%)oklch(0.344 0.152 262.2)Colors that go with #042f86
Charcoal, Crimson and Steel 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #042f86: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #042f86 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
analogousshippedSteel Blue is #042f86's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped5 real palettes, including Procter & Gamble's brand system and Alaska Airlines's brand system put Blue beside #042f86, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #042f86: 11 real palettes, including Hasbro's brand system and Bank of America's brand system, as the supporting colour.
Orange Red #ff4500
shippedOrange Red is paired with #042f86 in 4 real palettes, including Tide's brand system and NASA's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #042f86 in 8 real palettes, including Discord's brand system and Nivea's brand system, as the lead colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #042f86 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #042f86
Tints & shades
Harmonies
Contrast
| #042f86 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.96:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.76:1 | 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 #042f86 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
#042f86 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 #042f86 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/042f86-9ca5c4-df694e-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