Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Color
#3d86fa
#3d86fa
hex
#3d86fargb
rgb(61, 134, 250)hsl
hsl(217, 95%, 61%)oklch
oklch(0.635 0.188 259.4)Closest name: dodgerblue (#1e90ff)Relative luminance 0.2494
Colors that go with #3d86fa
Deep Sky Blue, Midnight Blue and Orange Red 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.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #3d86fa in 5 real palettes, including Blueprint and Astro's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #3d86fa in 4 real palettes, including Discord's brand system and Blue Mono, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #3d86fa in 4 real palettes, including Replit's brand system and Heatwave, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #3d86fa in 5 real palettes, including Readymag's brand system and Notion's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Dark Goldenrod #b8860b
complementaryDark Goldenrod sits directly opposite #3d86fa on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shippedBlue is paired with #3d86fa in 3 real palettes, including Readymag's brand system and MongoDB's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #3d86fa: softer than #000 and cool enough to feel like part of the same palette.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #3d86fa in 3 real palettes, including Behance's brand system and Blue Mono, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #3d86fa
Tints & shades
Harmonies
Contrast
| #3d86fa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.51:1 | fail | pass | fail | |
Aaon black | 5.99:1 | 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 #3d86fa as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#3d86fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #3d86fa
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 #3d86fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/3d86fa-9ca7c4-df624e-201f2d-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