Color
#05a3ff
#05a3ffrgb(5, 163, 255)hsl(202, 100%, 51%)oklch(0.692 0.174 245.2)Colors that go with #05a3ff
Orange Red, Taupe and Peru 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.
Orange Red #ff4500
shippedOrange Red is paired with #05a3ff in 5 real palettes, including Heatwave and Replit's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #05a3ff in 5 real palettes, including Astro's brand system and Cursor's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Peru #cd853f
complementaryPeru sits directly opposite #05a3ff on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #05a3ff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedBlue is paired with #05a3ff in 3 real palettes, including Readymag's brand system and Warp'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 #05a3ff: softer than #000 and cool enough to feel like part of the same palette.
Medium Sea Green #3cb371
triadicshippedMedium Sea Green completes a triad with #05a3ff — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Dark Goldenrod #b8860b
split-complementDark Goldenrod is a split-complement of #05a3ff: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #05a3ff
Tints & shades
Harmonies
Contrast
| #05a3ff as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.73:1 | fail | fail | fail | |
Aaon black | 7.69:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05a3ff 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
#05a3ff 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 #05a3ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/05a3ff-9cb1c4-df4e5f-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