Color
#677ff9
#677ff9rgb(103, 127, 249)hsl(230, 92%, 69%)oklch(0.639 0.183 271.9)Colors that go with #677ff9
Medium Sea Green, Orange Red and 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.
Medium Sea Green #3cb371
triadicshippedMedium Sea Green completes a triad with #677ff9 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Orange Red #ff4500
triadicshippedOrange Red completes a triad with #677ff9 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Blue #0000ff
shippedBlue is paired with #677ff9 in 6 real palettes, including Readymag's brand system and Cargo's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #677ff9 in 5 real palettes, including Blueprint and Figma's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #677ff9 in 5 real palettes, including Discord's brand system and Lavender Haze, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Goldenrod #b8860b
complementaryDark Goldenrod sits directly opposite #677ff9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Olive Drab #6b8e23
split-complementshippedOlive Drab is a split-complement of #677ff9: 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 #677ff9: softer than #000 and cool enough to feel like part of the same palette.
Real palettes that use #677ff9
Tints & shades
Harmonies
Contrast
| #677ff9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.51:1 | fail | pass | fail | |
Aaon black | 5.98:1 | 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 #677ff9 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
#677ff9 reads as cool, vivid, technical. 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 #677ff9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/677ff9-9c9ec4-df814e-231f2d-e9eef1?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