Color
#040dae
#040daergb(4, 13, 174)hsl(237, 96%, 35%)oklch(0.348 0.229 264.8)Colors that go with #040dae
Crimson, Blue and Charcoal 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.
Crimson #dc143c
triadicshippedCrimson completes a triad with #040dae — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blue #0000ff
shipped4 real palettes, including Pepsi's brand system and Pfizer's brand system put Blue beside #040dae, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #040dae: softer than #000 and cool enough to feel like part of the same palette.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #040dae: 4 real palettes, including Tide's brand system and Purina Pro Plan's brand system, as the lead colour.
Midnight Blue #191970
shipped7 real palettes, including Fintech Trust and Blue Mono put Midnight Blue beside #040dae, as that palette's text colour.
Orange Red #ff4500
shippedOrange Red is paired with #040dae in 4 real palettes, including Tide's brand system and Intercom's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #040dae in 8 real palettes, including Nivea's brand system and Discord's brand system, as the supporting colour.
Steel Blue #4682b4
analogousshippedSteel Blue is #040dae's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Real palettes that use #040dae
Tints & shades
Harmonies
Contrast
| #040dae as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.55:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.67:1 | 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 #040dae as the background.
Brands using this color
Fonts for this mood
#040dae reads as cool, vivid, technical. 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 #040dae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/040dae-9f9cc4-df924e-251f2d-e9edf1?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