Color
#ef4d55
#ef4d55rgb(239, 77, 85)hsl(357, 84%, 62%)oklch(0.648 0.198 21.9)Colors that go with #ef4d55
Cadet Blue, Charcoal 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.
Cadet Blue #5f9ea0
complementaryshippedCadet Blue sits directly opposite #ef4d55 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #ef4d55: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #ef4d55: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #ef4d55 in 6 real palettes, including Ember and Heatwave, as the accent.
Blue #0000ff
shipped9 real palettes, including Monzo's brand system and Glossier's brand system put Blue beside #ef4d55, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #ef4d55: 11 real palettes, including ElevenLabs's brand system and Postman's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #ef4d55: 6 real palettes, including Figma's brand system and Databricks's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #ef4d55: 4 real palettes, including Ember and Nintendo's brand system, as the supporting colour.
Real palettes that use #ef4d55
Tints & shades
Harmonies
Contrast
| #ef4d55 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.58:1 | fail | pass | fail | |
Aaon black | 5.86:1 | 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 #ef4d55 as the background.
Brands using this color
Fonts for this mood
#ef4d55 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 #ef4d55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/ef4d55-c49f9c-62cb93-2d251f-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