Color
#278edd
#278eddrgb(39, 142, 221)hsl(206, 73%, 51%)oklch(0.628 0.149 247.1)Colors that go with #278edd
Charcoal, Orange Red and Copper 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 #278edd: softer than #000 and cool enough to feel like part of the same palette.
Orange Red #ff4500
split-complementshippedOrange Red is a split-complement of #278edd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Copper #b87333
complementaryshippedCopper sits directly opposite #278edd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #278edd in 11 real palettes, including Heatwave and Wired's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #278edd in 9 real palettes, including Readymag's brand system and Qualcomm'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 #278edd in 7 real palettes, including Hershey's's brand system and General Mills's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #278edd in 5 real palettes, including State Farm's brand system and Foot Locker's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Dark Orange #ff8c00
shippedDark Orange is paired with #278edd in 4 real palettes, including Playground and Elastic's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #278edd
Tints & shades
Harmonies
Contrast
| #278edd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.5:1 | fail | pass | fail | |
Aaon black | 6:1 | 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 #278edd 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
#278edd 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 #278edd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/278edd-9caec4-df4e56-1f212d-e9f1f1?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