Color
#e01010
#e01010rgb(224, 16, 16)hsl(0, 87%, 47%)oklch(0.573 0.229 28.7)Colors that go with #e01010
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 #e01010: 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 #e01010 — 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 #e01010 — 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 #e01010: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #e01010 in 7 real palettes, including McDonald's's brand system and Wired's brand system, as the lead colour.
Blue #0000ff
shipped8 real palettes, including native Cybersecurity's brand system and Doordash's brand system put Blue beside #e01010, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #e01010: 6 real palettes, including Walgreens's brand system and Pepsi's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #e01010: 18 real palettes, including Netflix's brand system and McDonald's's brand system, as the accent.
Real palettes that use #e01010
Tints & shades
Harmonies
Contrast
| #e01010 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.94:1 | pass | pass | fail |
|
Aaon black | 4.25:1 | 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 #e01010 as the background.
Brands using this color
- Formula 1secondary · #e10600 · Δ0.501
- Pinterestsecondary · #dd0e0e · Δ0.656
- WWEsecondary · #e40707 · Δ0.777
- Toyotasecondary · #e10a1d · Δ0.79
- Netflixprimary · #e50914 · Δ1.002
- MAC Cosmeticssecondary · #da1717 · Δ1.161
- Vodafoneprimary · #e60000 · Δ1.174
- Vodafoneaccent · #e60000 · Δ1.174
- Nintendosecondary · #e60012 · Δ1.18
- Budweiserprimary · #dc041c · Δ1.299
- Lay'saccent · #df2027 · Δ1.356
- Lenovosecondary · #e1251b · Δ1.421
- Pinterestprimary · #e40424 · Δ1.512
- Codecademyaccent · #dc2626 · Δ1.569
- Pinterestaccent · #e60023 · Δ1.711
- McDonald'ssecondary · #da291c · Δ1.721
- Target : Expect More. Pay Less.primary · #dc142c · Δ1.915
- Gatoradesecondary · #ea0000 · Δ1.93
Fonts for this mood
#e01010 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 #e01010 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/e01010-c4a19c-62cb98-2d251f-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