Color
#728bc5
#728bc5rgb(114, 139, 197)hsl(222, 42%, 61%)oklch(0.641 0.092 266)Colors that go with #728bc5
Charcoal, Medium Sea Green and Amber 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #728bc5: softer than #000 and cool enough to feel like part of the same palette.
Medium Sea Green #3cb371
triadicshippedMedium Sea Green completes a triad with #728bc5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #728bc5 in 9 real palettes, including Blueprint and Beach Hut, as the accent.
Blue #0000ff
shipped5 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #728bc5, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #728bc5: 5 real palettes, including Blue Mono and Hershey's's brand system, as the lead colour.
Copper #b87333
split-complementshippedCopper is a split-complement of #728bc5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Dark Orange #ff8c00
shippedDark Orange shows up next to #728bc5 in 4 real palettes, including Ahrefs's brand system and Elastic's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #728bc5: 9 real palettes, including Telegram's brand system and Blueprint, as the lead colour.
Real palettes that use #728bc5
Tints & shades
Harmonies
Contrast
| #728bc5 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.38:1 | fail | pass | fail | |
Aaon black | 6.21:1 | 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 #728bc5 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
#728bc5 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 #728bc5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/728bc5-9ca3c4-df6e4e-211f2d-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