Color
#491d95
#491d95rgb(73, 29, 149)hsl(262, 67%, 35%)oklch(0.376 0.178 292.1)Colors that go with #491d95
Royal Blue, Blue 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 #491d95'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 #491d95 in 4 real palettes, including Zillow's brand system and Procter & Gamble's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #491d95 in 6 real palettes, including Kraken's brand system and Fintech Trust, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Olive Green #808000
complementaryOlive Green sits directly opposite #491d95 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #491d95: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #491d95 in 3 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #491d95 in 3 real palettes, including Slack's brand system and Google's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Steel Blue #4682b4
shippedSteel Blue is paired with #491d95 in 3 real palettes, including Hershey's's brand system and Fintech Trust, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #491d95
Tints & shades
Harmonies
Contrast
| #491d95 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.09:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.89:1 | 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 #491d95 as the background.
Brands using this color
Fonts for this mood
#491d95 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 #491d95 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/491d95-af9cc4-dfce4e-2a1f2d-e9eaf1?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