Color
#f31291
#f31291rgb(243, 18, 145)hsl(326, 90%, 51%)oklch(0.633 0.254 355.3)Colors that go with #f31291
Cadet Blue, Charcoal and Gold 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.
Cadet Blue #5f9ea0
complementaryshippedCadet Blue sits directly opposite #f31291 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #f31291: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Gold #ffd700
shippedGold shows up next to #f31291 in 3 real palettes, including Night Market and Tabloid, as the accent.
Tomato #ff6347
shipped3 real palettes, including Night Market and Sunset Boulevard put Tomato beside #f31291, as the lead colour.
Steel Blue #4682b4
triadicshippedSteel Blue completes a triad with #f31291 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Medium Sea Green #3cb371
split-complementMedium Sea Green is a split-complement of #f31291: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
shippedCrimson is paired with #f31291 in two real palettes: The Ordinary's brand system and Snyk's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #f31291: two real palettes: Maybelline's brand system and Ulta Beauty's brand system, as the accent.
Real palettes that use #f31291
Tints & shades
Harmonies
Contrast
| #f31291 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.96:1 | fail | pass | fail | |
Aaon black | 5.31:1 | 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 #f31291 as the background.
Brands using this color
Fonts for this mood
#f31291 reads as warm, vivid, playful. 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 #f31291 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/f31291-c19fae-67cb62-2d1f21-f1e9f1?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