Color
#05a4fa
#05a4fargb(5, 164, 250)hsl(201, 96%, 50%)oklch(0.691 0.167 243.3)Colors that go with #05a4fa
Charcoal, Medium Sea Green and Tomato 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 #05a4fa: 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 #05a4fa — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Tomato #ff6347
split-complementshippedTomato is a split-complement of #05a4fa: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #05a4fa in 7 real palettes, including Salesforce's brand system and Heatwave, as the accent.
Blue #0000ff
shipped9 real palettes, including Unity's brand system and Warp's brand system put Blue beside #05a4fa, as the supporting colour.
Dark Orange #ff8c00
shippedDark Orange shows up next to #05a4fa in 4 real palettes, including Learning App and Elastic's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #05a4fa: 5 real palettes, including Apple's brand system and Venmo's brand system, as the accent.
Midnight Blue #191970
shipped7 real palettes, including Kraken's brand system and Blue Mono put Midnight Blue beside #05a4fa, as the lead colour.
Real palettes that use #05a4fa
Tints & shades
Harmonies
Contrast
| #05a4fa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.73:1 | fail | fail | fail | |
Aaon black | 7.7:1 | 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 #05a4fa as the background.
Brands using this color
Fonts for this mood
#05a4fa 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 #05a4fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/05a4fa-9cb1c4-df4e62-1f222d-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