Color
#d21f19
#d21f19rgb(210, 31, 25)hsl(2, 79%, 46%)oklch(0.554 0.211 28.7)Colors that go with #d21f19
Charcoal, Royal Blue and Sea Green 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 #d21f19: 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 #d21f19 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #d21f19 — 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 #d21f19: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
complementaryshippedTeal sits directly opposite #d21f19 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 #d21f19 in 7 real palettes, including McDonald's's brand system and Maple, as the lead colour.
Blue #0000ff
shipped7 real palettes, including Tim Hortons's brand system and Doordash's brand system put Blue beside #d21f19, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #d21f19: 5 real palettes, including Behance's brand system and Walgreens's brand system, as the supporting colour.
Real palettes that use #d21f19
Tints & shades
Harmonies
Contrast
| #d21f19 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.32:1 | pass | pass | fail |
|
Aaon black | 3.95:1 | 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 #d21f19 as the background.
Brands using this color
- Burberrysecondary · #d5151f · Δ0.981
- State Farmprimary · #d62311 · Δ1.107
- Foot Lockersecondary · #d12e20 · Δ1.399
- Behanceaccent · #d00d00 · Δ1.446
- Burger Kingprimary · #d62300 · Δ1.457
- Ferrariprimary · #d40000 · Δ1.494
- Wells Fargoprimary · #d71e28 · Δ1.506
- M&M'ssecondary · #d70100 · Δ1.518
- MAC Cosmeticssecondary · #da1717 · Δ1.536
- GitHubdanger · #cf222e · Δ1.663
- Coinbasedanger · #cf202f · Δ1.825
Fonts for this mood
#d21f19 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 #d21f19 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/d21f19-c4a29c-62cb9c-2d261f-f1e9ed?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