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
#df0739
#df0739
hex
#df0739rgb
rgb(223, 7, 57)hsl
hsl(346, 94%, 45%)oklch
oklch(0.573 0.228 20.5)Closest name: crimson (#dc143c)Relative luminance 0.1614
Colors that go with #df0739
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 #df0739: 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 #df0739 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #df0739: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #df0739: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #df0739 in 5 real palettes, including Wired's brand system and Maple, as the accent.
Blue #0000ff
shipped9 real palettes, including Tim Hortons's brand system and native Cybersecurity's brand system put Blue beside #df0739, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #df0739: 12 real palettes, including Target : Expect More. Pay Less.'s brand system and Netflix's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #df0739: 5 real palettes, including Databricks's brand system and Replit's brand system, as the accent.
Real palettes that use #df0739
Tints & shades
Harmonies
Contrast
| #df0739 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.97:1 | pass | pass | fail |
|
Aaon black | 4.23:1 | 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 #df0739 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
#df0739 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #df0739
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 #df0739 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/df0739-c49ca1-62cb80-2d221f-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