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
#eb0542
#eb0542
hex
#eb0542rgb
rgb(235, 5, 66)hsl
hsl(344, 96%, 47%)oklch
oklch(0.596 0.238 19)Closest name: Barberry (#ee1133)Relative luminance 0.1816
Colors that go with #eb0542
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 #eb0542: 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 #eb0542 — 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 #eb0542: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #eb0542 in 7 real palettes, including Wired's brand system and McDonald's's brand system, as the accent.
Blue #0000ff
shipped8 real palettes, including native Cybersecurity's brand system and Doordash's brand system put Blue beside #eb0542, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #eb0542: 5 real palettes, including Walgreens's brand system and NASA's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #eb0542: 18 real palettes, including Costco's brand system and ElevenLabs's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #eb0542: 6 real palettes, including Databricks's brand system and Google's brand system, as the accent.
Real palettes that use #eb0542
Tints & shades
Harmonies
Contrast
| #eb0542 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.53:1 | pass | pass | fail |
|
Aaon black | 4.63:1 | 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 #eb0542 as the background.
Brands using this color
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
#eb0542 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #eb0542
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 #eb0542 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/eb0542-c49ca2-62cb7c-2d221f-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