Studio Grey
Open in tool →A pure greyscale with a single electric blue — the portfolio palette that makes work look considered.
Color
#328cfb
#328cfb
hex
#328cfbrgb
rgb(50, 140, 251)hsl
hsl(213, 96%, 59%)oklch
oklch(0.645 0.186 256)Closest name: dodgerblue (#1e90ff)Relative luminance 0.264
Colors that go with #328cfb
Charcoal, Blue and Cobalt 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 #328cfb: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shippedBlue is paired with #328cfb 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.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #328cfb in 5 real palettes, including Blue Mono and Behance's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #328cfb in 5 real palettes, including Figma's brand system and Blueprint — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #328cfb in 5 real palettes, including Guinness's brand system and Square's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #328cfb in 5 real palettes, including Blue Mono and Discord's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #328cfb in 7 real palettes, including Heatwave and Replit's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Dark Goldenrod #b8860b
complementaryDark Goldenrod sits directly opposite #328cfb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #328cfb
Tints & shades
Harmonies
Contrast
| #328cfb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.34:1 | fail | pass | fail | |
Aaon black | 6.28:1 | 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 #328cfb as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#328cfb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #328cfb
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #328cfb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/328cfb-9ca9c4-df584e-1f202d-e9f0f1?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