Color
#604ca9
#604ca9rgb(96, 76, 169)hsl(253, 38%, 48%)oklch(0.485 0.143 289.9)Colors that go with #604ca9
Charcoal, Sea Green and 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 #604ca9: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #604ca9: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped4 real palettes, including Pixar's brand system and CVS's brand system put Blue beside #604ca9, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #604ca9: 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #604ca9 in 9 real palettes, including Netflix's brand system and Ulta Beauty's brand system, as the lead colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #604ca9: 4 real palettes, including Datadog's brand system and Campbell's's brand system, as the accent.
Midnight Blue #191970
shipped11 real palettes, including Paramount+'s brand system and Marvel's brand system put Midnight Blue beside #604ca9, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #604ca9 in 10 real palettes, including Fivetran blue's brand system and Guinness's brand system, as the lead colour.
Real palettes that use #604ca9
Tints & shades
Harmonies
Contrast
| #604ca9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.77:1 | pass | pass | fail |
|
Aaon black | 3.1:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #604ca9 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
#604ca9 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 #604ca9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/604ca9-a99cc4-dfb84e-281f2d-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