Color
#d31727
#d31727rgb(211, 23, 39)hsl(355, 80%, 46%)oklch(0.553 0.215 25.2)Colors that go with #d31727
Charcoal, Royal Blue and Steel 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 body-text near-black for #d31727: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #d31727 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #d31727: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
complementaryshippedTeal sits directly opposite #d31727 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #d31727 in 6 real palettes, including McDonald's's brand system and Maple, as the lead colour.
Blue #0000ff
shipped6 real palettes, including Tim Hortons's brand system and native Cybersecurity's brand system put Blue beside #d31727, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #d31727: 5 real palettes, including Behance's brand system and Walgreens's brand system, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #d31727 in 5 real palettes, including Farmers Market and Magazine Ochre, as the supporting colour.
Real palettes that use #d31727
Tints & shades
Harmonies
Contrast
| #d31727 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.35:1 | pass | pass | fail |
|
Aaon black | 3.92:1 | fail | 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 #d31727 as the background.
Brands using this color
- Burberrysecondary · #d5151f · Δ0.697
- Tim Hortonssecondary · #d0142c · Δ0.882
- Coinbasedanger · #cf202f · Δ0.985
- GitHubdanger · #cf222e · Δ0.991
- Wells Fargoprimary · #d71e28 · Δ1.096
- Five Guyssecondary · #d21033 · Δ1.395
- Huaweiprimary · #cf0a2c · Δ1.408
- New Balancesecondary · #cf0a2c · Δ1.408
- Cartieraccent · #d50032 · Δ1.664
- Wiseaccent · #cb272f · Δ1.719
- Budweiserprimary · #dc041c · Δ1.804
- MAC Cosmeticssecondary · #da1717 · Δ1.815
- Target : Expect More. Pay Less.primary · #dc142c · Δ1.861
- Ferrariprimary · #d40000 · Δ1.922
- M&M'ssecondary · #d70100 · Δ1.947
Fonts for this mood
#d31727 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 #d31727 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/d31727-c49e9c-62cb8f-2d241f-f1e9ee?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