Tabloid
Open in tool →Red, black and yellow on white is the loudest three-color system in print — use it when headlines are the product.
Color
#e51550
#e51550
hex
#e51550rgb
rgb(229, 21, 80)hsl
hsl(343, 83%, 49%)oklch
oklch(0.591 0.229 14.9)Closest name: Anger (#dd0055)Relative luminance 0.1777
Colors that go with #e51550
Charcoal, Royal Blue and Amber 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 #e51550: 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 #e51550 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #e51550 in 5 real palettes, including Wired's brand system and Maple, as the accent.
Blue #0000ff
shipped8 real palettes, including Tim Hortons's brand system and native Cybersecurity's brand system put Blue beside #e51550, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #e51550: 13 real palettes, including Target : Expect More. Pay Less.'s brand system and ElevenLabs's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #e51550: 6 real palettes, including Databricks's brand system and Figma's brand system, as the accent.
Gold #ffd700
shippedGold shows up next to #e51550 in 7 real palettes, including Tabloid and Tequila Sunrise, as the accent.
Midnight Blue #191970
shipped4 real palettes, including Marvel's brand system and Nintendo's brand system put Midnight Blue beside #e51550, as the supporting colour.
Real palettes that use #e51550
Tints & shades
Harmonies
Contrast
| #e51550 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.61:1 | pass | pass | fail |
|
Aaon black | 4.55:1 | 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 #e51550 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Gemstone
Open in tool →Emerald, amethyst and ruby on velvet-black — the jewel-tone trio; the surface must be dark or the stones go plastic.
Fonts for this mood
#e51550 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #e51550
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #e51550 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/e51550-c49ca3-62cb7b-2d211f-f1e9ef?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