Color
#258cd0
#258cd0rgb(37, 140, 208)hsl(204, 70%, 48%)oklch(0.616 0.136 243.5)Colors that go with #258cd0
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 #258cd0: 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 #258cd0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Copper #b87333
complementaryshippedCopper sits directly opposite #258cd0 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 #258cd0 in 4 real palettes, including Beach Hut and Heatwave, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #258cd0 in 4 real palettes, including Astro's brand system and Deep Water, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #258cd0 in 4 real palettes, including Terminal and Fintech Trust, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #258cd0 in 4 real palettes, including Plaid's brand system and Blue Mono, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #258cd0 in 9 real palettes, including Retool's brand system and Notion's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #258cd0
Tints & shades
Harmonies
Contrast
| #258cd0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.66:1 | fail | pass | fail | |
Aaon black | 5.74:1 | 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 #258cd0 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
#258cd0 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 #258cd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/258cd0-9cafc4-df4e5a-1f222d-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