Color
#04338f
#04338frgb(4, 51, 143)hsl(220, 95%, 29%)oklch(0.362 0.159 262)Colors that go with #04338f
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 #04338f: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #04338f — 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 #04338f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shippedBlue is paired with #04338f in 5 real palettes, including Procter & Gamble's brand system and Pepsi's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #04338f in 8 real palettes, including Google's brand system and Hasbro's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #04338f in 9 real palettes, including Nivea's brand system and Discord's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Olive Green #808000
complementaryOlive Green sits directly opposite #04338f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Orange Red #ff4500
shippedOrange Red is paired with #04338f in 3 real palettes, including Tide's brand system and Intercom's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #04338f
Tints & shades
Harmonies
Contrast
| #04338f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.2:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.88:1 | 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 #04338f as the background.
Brands using this color
Fonts for this mood
#04338f 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 #04338f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/04338f-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