Color
#423474
#423474rgb(66, 52, 116)hsl(253, 38%, 33%)oklch(0.375 0.106 290.4)Colors that go with #423474
Steel Blue, Midnight Blue and Powder 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.
Steel Blue #4682b4
analogousshippedSteel Blue is #423474's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Midnight Blue #191970
shippedMidnight Blue is paired with #423474 in 4 real palettes, including First Snow and Plaid's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #423474 in 6 real palettes, including First Snow and Glacier, as the accent — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #423474 in 4 real palettes, including Zoom's brand system and Discord's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #423474 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #423474: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
triadicshippedTeal completes a triad with #423474 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #423474: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #423474
Tints & shades
Harmonies
Contrast
| #423474 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.63:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.98:1 | 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 #423474 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
#423474 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 #423474 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/423474-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