Color
#281d53
#281d53rgb(40, 29, 83)hsl(252, 48%, 22%)oklch(0.278 0.094 288.1)Colors that go with #281d53
Dark Olive Green, Steel Blue and Teal 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.
Dark Olive Green #556b2f
complementaryshippedDark Olive Green sits directly opposite #281d53 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Steel Blue #4682b4
analogousshippedSteel Blue is #281d53's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
triadicshippedTeal completes a triad with #281d53 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Burlywood #deb887
shippedBurlywood is paired with #281d53 in 4 real palettes, including Coastal and Kiln, as the accent — a combination designers have actually shipped, not a computed rotation.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #281d53 in 8 real palettes, including Open House and Coastal, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Champagne #f7e7ce
shippedChampagne is paired with #281d53 in 5 real palettes, including Allbirds's brand system and Darkroom, as the accent — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #281d53 in 6 real palettes, including Blue Mono and Fintech Trust, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #281d53: softer than #000 and cool enough to feel like part of the same palette.
Real palettes that use #281d53
Tints & shades
Harmonies
Contrast
| #281d53 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.1:1 | 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 #281d53 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
#281d53 reads as cool, dark, luxury. 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 #281d53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/281d53-a99cc4-dfb64e-281f2d-e9ecf1?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