Color
#644691
#644691rgb(100, 70, 145)hsl(264, 35%, 42%)oklch(0.463 0.12 300.2)Colors that go with #644691
Charcoal, Blue and Crimson 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 #644691: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped4 real palettes, including Pixar's brand system and Tesco's brand system put Blue beside #644691, as the accent.
Crimson #dc143c
shippedCrimson is paired with #644691 in 10 real palettes, including Wells Fargo's brand system and Walgreens's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #644691: 12 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Midnight Blue #191970
shipped12 real palettes, including First Snow and FIFA's brand system put Midnight Blue beside #644691, as that palette's text colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #644691 in 10 real palettes, including Wayfair's brand system and Fivetran blue's brand system, as the supporting colour.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #644691: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Taupe #483c32
shippedTaupe is paired with #644691 in 5 real palettes, including Superhuman's brand system and Datadog's brand system, as the lead colour.
Real palettes that use #644691
Tints & shades
Harmonies
Contrast
| #644691 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.43:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.83:1 | 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 #644691 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
#644691 reads as cool, modern. 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 #644691 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/644691-b19cc4-dfd34e-2b1f2d-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