Color
#420458
#420458rgb(66, 4, 88)hsl(284, 91%, 18%)oklch(0.288 0.136 314.2)Colors that go with #420458
Denim, Forest Green 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.
Denim #1560bd
shippedDesigners have shipped Denim with #420458: 7 real palettes, including Discover's brand system and Heinz's brand system, as the supporting colour.
Forest Green #228b22
complementaryForest Green sits directly opposite #420458 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 #420458: softer than #000 and cool enough to feel like part of the same palette.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #420458: 3 real palettes, including First Snow and Opera's brand system, as the accent.
Slate Blue #6a5acd
analogousshippedSlate Blue is #420458's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Taupe #483c32
shippedTaupe is paired with #420458 in 3 real palettes, including American Eagle's brand system and Gillette's brand system, as the lead colour.
Teal #008080
triadicshippedTeal completes a triad with #420458 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
split-complementSea Green is a split-complement of #420458: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #420458
Tints & shades
Harmonies
Contrast
| #420458 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.11:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.39:1 | 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 #420458 as the background.
Brands using this color
Fonts for this mood
#420458 reads as cool, vivid, dark. 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 #420458 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/420458-bc9fc1-b1cb62-2d1f2b-ebe9f1?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