Color
#5579fc
#5579fcrgb(85, 121, 252)hsl(227, 97%, 66%)oklch(0.62 0.199 268.5)Colors that go with #5579fc
Medium Sea Green, Dark Goldenrod and Charcoal 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.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #5579fc in 4 real palettes, including Console Light and Telehealth, as the accent — a combination designers have actually shipped, not a computed rotation.
Dark Goldenrod #b8860b
complementaryDark Goldenrod sits directly opposite #5579fc 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 #5579fc: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #5579fc in 3 real palettes, including Calm's brand system and Blueprint, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #5579fc in 3 real palettes, including Telehealth and Lavender Haze, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Slate Gray #708090
shippedSlate Gray is paired with #5579fc in 3 real palettes, including Studio Grey and Slate Workspace, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
split-complementCopper is a split-complement of #5579fc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Olive Drab #6b8e23
split-complementOlive Drab is a split-complement of #5579fc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #5579fc
Tints & shades
Harmonies
Contrast
| #5579fc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.8:1 | fail | pass | fail | |
Aaon black | 5.53:1 | pass | 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 #5579fc 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
#5579fc 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 #5579fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/5579fc-9ca0c4-df7a4e-221f2d-e9eff1?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