Color
#15036d
#15036drgb(21, 3, 109)hsl(250, 95%, 22%)oklch(0.256 0.159 273.3)Colors that go with #15036d
Steel Blue, Olive Green and Cobalt 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 #15036d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Olive Green #808000
complementaryOlive Green sits directly opposite #15036d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #15036d in 3 real palettes, including Glacier and Blue Mono, as the accent — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #15036d in 3 real palettes, including Glacier and First Snow, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Sienna #a0522d
split-complementSienna is a split-complement of #15036d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #15036d: softer than #000 and cool enough to feel like part of the same palette.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #15036d in two real palettes: PayPal's brand system and Telehealth, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Lilac #c8a2c8
shippedLilac is paired with #15036d in two real palettes: First Snow and Lavender Milk, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #15036d
Tints & shades
Harmonies
Contrast
| #15036d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.59:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.27:1 | 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 #15036d 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
#15036d 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 #15036d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/15036d-a79cc4-dfb14e-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