Color
#d10018
#d10018rgb(209, 0, 24)hsl(353, 100%, 41%)oklch(0.541 0.22 26.7)Colors that go with #d10018
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 #d10018: 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 #d10018 — 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 #d10018: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
complementaryshippedTeal sits directly opposite #d10018 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 #d10018 in 6 real palettes, including Maple and McDonald's's brand system, as the accent.
Blue #0000ff
shipped6 real palettes, including Tim Hortons's brand system and native Cybersecurity's brand system put Blue beside #d10018, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #d10018: 4 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 #d10018 in 4 real palettes, including Farmers Market and Olive Grove, as the supporting colour.
Real palettes that use #d10018
Tints & shades
Harmonies
Contrast
| #d10018 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.64:1 | pass | pass | fail |
|
Aaon black | 3.72:1 | 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 #d10018 as the background.
Brands using this color
- Budweisersecondary · #cc0414 · Δ1.043
- Ferrariprimary · #d40000 · Δ1.154
- Behanceaccent · #d00d00 · Δ1.239
- Burberrysecondary · #d5151f · Δ1.402
- Hondasecondary · #cc0000 · Δ1.47
- Tim Hortonssecondary · #d0142c · Δ1.478
- Huaweiprimary · #cf0a2c · Δ1.52
- New Balancesecondary · #cf0a2c · Δ1.52
- M&M'ssecondary · #d70100 · Δ1.587
- Coinbasedanger · #cf202f · Δ1.979
Fonts for this mood
#d10018 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 #d10018 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/d10018-c49c9c-62cb8c-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