Color
#400fbd
#400fbdrgb(64, 15, 189)hsl(257, 85%, 40%)oklch(0.4 0.231 280.8)Colors that go with #400fbd
Charcoal, Blue and Cornflower 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 #400fbd: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shippedBlue is paired with #400fbd in 4 real palettes, including Zillow's brand system and Pfizer's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #400fbd in 4 real palettes, including Peacock's brand system and Blue Mono, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
analogousshippedDenim is #400fbd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Midnight Blue #191970
shippedMidnight Blue is paired with #400fbd in 7 real palettes, including Kraken's brand system and Blue Mono, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #400fbd in 6 real palettes, including Intercom's brand system and Tide's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #400fbd in 10 real palettes, including Behance's brand system and Nivea's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #400fbd in 7 real palettes, including Datadog's brand system and Burger King's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #400fbd
Tints & shades
Harmonies
Contrast
| #400fbd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.39:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.02:1 | 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 #400fbd 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
#400fbd 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 #400fbd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/400fbd-ac9cc4-dfc24e-291f2d-e9ebf1?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