Color
#583ba5
#583ba5rgb(88, 59, 165)hsl(256, 47%, 44%)oklch(0.446 0.162 290.9)Colors that go with #583ba5
Charcoal, Royal Blue and Sea Green 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 #583ba5: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #583ba5's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #583ba5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedBlue is paired with #583ba5 in 4 real palettes, including Zillow's brand system and CVS'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 #583ba5 in 4 real palettes, including Blue Mono and Coca-Cola's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #583ba5 in 7 real palettes, including Gemstone and Netflix's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #583ba5 in 6 real palettes, including Slack's brand system and General Mills'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 #583ba5 in 9 real palettes, including Kraken's brand system and Blue Mono, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #583ba5
Tints & shades
Harmonies
Contrast
| #583ba5 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.13:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.58:1 | 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 #583ba5 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
#583ba5 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 #583ba5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/583ba5-ab9cc4-dfbf4e-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