Color
#278fc4
#278fc4rgb(39, 143, 196)hsl(200, 67%, 46%)oklch(0.617 0.121 236.5)Colors that go with #278fc4
Charcoal, Copper and Midnight 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #278fc4: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
complementaryshippedCopper sits directly opposite #278fc4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue #191970
shippedMidnight Blue is paired with #278fc4 in 4 real palettes, including Plaid's brand system and Tide Pool, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #278fc4 in 5 real palettes, including Notion's brand system and Still Water, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Amber #ffbf00
shippedAmber is paired with #278fc4 in 3 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #278fc4 in 3 real palettes, including Glacier and Blue Mono, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #278fc4 in 3 real palettes, including Peacock and Dusk, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #278fc4 in 3 real palettes, including Launch Orange and Heatwave, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #278fc4
Tints & shades
Harmonies
Contrast
| #278fc4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.61:1 | fail | pass | fail | |
Aaon black | 5.81:1 | 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 #278fc4 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
#278fc4 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 #278fc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/278fc4-9cb2c4-df4e64-1f232d-e9f1f0?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