Color
#3f68ee
#3f68eergb(63, 104, 238)hsl(226, 84%, 59%)oklch(0.567 0.207 266.7)Colors that go with #3f68ee
Crimson, Slate Gray and Olive Green 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.
Crimson #dc143c
triadicshippedCrimson completes a triad with #3f68ee — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Slate Gray #708090
shippedSlate Gray is paired with #3f68ee in 4 real palettes, including Slate Workspace and Indigo SaaS, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Olive Green #808000
complementaryOlive Green sits directly opposite #3f68ee on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #3f68ee: softer than #000 and cool enough to feel like part of the same palette.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #3f68ee in 3 real palettes, including Console Light and Telehealth, as the accent — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #3f68ee in 3 real palettes, including Strava's brand system and PlanetScale's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Sea Green #2e8b57
shippedSea Green is paired with #3f68ee in 3 real palettes, including Coinbase's brand system and Netflix's brand system — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #3f68ee in 3 real palettes, including Loom's brand system and Notion's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #3f68ee
Tints & shades
Harmonies
Contrast
| #3f68ee as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.74:1 | pass | pass | fail |
|
Aaon black | 4.43:1 | fail | 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 #3f68ee 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
#3f68ee 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 #3f68ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3f68ee-9ca1c4-df774e-221f2d-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