Color
#4a18bf
#4a18bfrgb(74, 24, 191)hsl(258, 78%, 42%)oklch(0.417 0.227 284.2)Colors that go with #4a18bf
Royal Blue, Crimson and Midnight 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.
Royal Blue #4169e1
analogousshippedRoyal Blue is #4a18bf's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #4a18bf in 4 real palettes, including Behance's brand system and Gemstone, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #4a18bf in 4 real palettes, including Blue Mono and Fintech Trust, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #4a18bf in 4 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.
Taupe #483c32
shippedTaupe is paired with #4a18bf 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.
Olive Green #808000
complementaryOlive Green sits directly opposite #4a18bf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Forest Green #228b22
split-complementshippedForest Green is a split-complement of #4a18bf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #4a18bf: softer than #000 and cool enough to feel like part of the same palette.
Real palettes that use #4a18bf
Tints & shades
Harmonies
Contrast
| #4a18bf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.66:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.17:1 | 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 #4a18bf 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
#4a18bf 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 #4a18bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4a18bf-ad9cc4-dfc44e-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